Definition of perimeter in English:

perimeter

noun pəˈrɪmɪtəpəˈrɪmɪdər

1The continuous line forming the boundary of a closed geometrical figure.
（几何图形的）周，周边
the perimeter of a rectangle
矩形的四边。
Example sentencesExamples
- We found that the area, perimeter, length, and width of the lamina were highly correlated, suggesting the existence of a common genetic control.
- Finally, if the rope is short enough (less than half the perimeter of the barn), the problem simplifies immensely.
- You calculate the perimeter by multiplying the diameter by pi.
- Then these rings also have the additional property that both the inner perimeters are equal and the outer perimeters are equal.
- The perimeter of the inner polygon is shorter than the circumference of the circle, while that of the outer polygon is longer.
- Zenodorus studied the area of a figure with a fixed perimeter and the volume of a solid figure with fixed surface.
- The square and the cube are abstract, they're mathematical forms, measurements, perimeters, boundaries, mental constructs, and as such, are emotionally unknowable.
- The number four, for example, would be the ratio of the perimeter of a square to one of its sides and also the ratio of the area of a square to the area of a square whose side is half the original.
- It is easier to find a pentagon that circumscribes the same circle as the given square and has the same perimeter.
- The most interesting results show, with a very ingenious proof, that an equilateral triangle has a greater area than any isosceles or scalene triangle with the same perimeter.
- He compares the areas of figures with equal perimeters and volumes of solids with equal surface areas, proving a result due to Zenodorus that the sphere has greater volume than any regular solid with equal surface area.
- Answer: the arc lengths and, therefore, the perimeters are equal.
Synonyms
circumference, outside, outer edge
1. 1.1 The outermost parts or boundary of an area or object.
  边缘，周边
  the perimeter of the garden
  矩形的四边。
  as modifier a perimeter fence
  Example sentencesExamples
  The court heard how she made off with thousands of pounds worth of holidaymakers' property after scaling the perimeter fence and entering the rooms.
  Most styles can be adapted to meet any pool codes in your area, and provide a safe perimeter fence around your pool.
  There are lots of grasshoppers around here, but my hens patrol the garden perimeter fence and really reduce the numbers of insects in the garden.
  After dark I drove the perimeter road and saw more jackals and foxes.
  Sub-zero temperatures at the complex left the narrow perimeter roads covered in sheet ice, with virtually no grip for the opening cars.
  One is a low-voltage electric fence around the perimeter of your garden.
  Signs are being placed around airport perimeters urging them to join the cause.
  About 30 minutes after they had started out, they arrived just beyond the outer perimeter of the lab area.
  He said it was the landlord of the estate who had replaced the perimeter fence around the whole of the industrial area.
  Burn some sage, and walk the inner perimeter of your room or home if you can.
  A tough protein envelope surrounds the inner perimeter of the cell.
  There were wooded areas beyond the perimeter and alongside one of the streams, but the course itself was mostly just a large empty field.
  Repeat this until the entire perimeter of the room has been sanded.
  For the less energetic, there is a walk around the perimeter racecourse road beginning at 2 pm.
  We could walk the entire perimeter of the island in less than an hour.
  Surrounding the entire perimeter of the fence was a long line of barbed wire, spiky and foreboding.
  A two-kilometre perimeter fence for the broader area is also planned.
  The only sure way of deterring them is to have an electric fence built around the perimeter of the garden.
  I drove around our perimeter road one rainy night and saw lots of little rodents of some type running around.
  They ran to a perimeter concrete fence and jumped over.
  Synonyms
  boundary, border, frontier, limits, outer limits, bounds, confines, edge, margin, fringe(s), periphery, borderline, verge
  literary bourn, marge, skirt
  rare ambit
2. 1.2Basketball An area away from the basket, beyond the reach of the defensive team.
  〔篮球〕外围
  he was very patient in working the ball around the perimeter
  Example sentencesExamples
  With reduced defensive contact on the perimeter, point guards can do their jobs with less harassment.
  More than anything, the team needs his defense on the perimeter against more athletic swingmen.
  The low post has two options as the ball moves around the perimeter.
  He's also beginning to get a feel for the right time to squeeze off a tough shot and when to flick the ball out to the perimeter and restart.
  That is to say, whenever the ball is on the perimeter, 3 defensive players are between the player with the ball and basket.
2An instrument for measuring the extent and characteristics of a person's field of vision.
视野计

Derivatives

perimetric

adjective pɛrɪˈmɛtrɪkˌpɛrəˈmɛtrɪk

Definitive perimetric (visual field) evidence, detailed ophthalmoscopic evidence, or both confirm the diagnosis of open-angle glaucoma.
Example sentencesExamples
- In the short term the low cost, widespread acceptance, and availability of static visual acuity and perimetric measures justifies their use.

Origin

Late Middle English: via Latin from Greek perimetros, based on peri- 'around' + metron 'measure'.

Perimeter is simply a fancy way of saying ‘the distance round’ for it comes via Latin from Greek perimetros, based on peri- ‘around’ and metron ‘measure’.

Rhymes

limiter, scimitar, velocimeter

Definition of perimeter in US English:

perimeter

nounpəˈrimidərpəˈrɪmɪdər

1The continuous line forming the boundary of a closed geometric figure.
（几何图形的）周，周边
the perimeter of a rectangle
矩形的四边。
Example sentencesExamples
- The perimeter of the inner polygon is shorter than the circumference of the circle, while that of the outer polygon is longer.
- Zenodorus studied the area of a figure with a fixed perimeter and the volume of a solid figure with fixed surface.
- Finally, if the rope is short enough (less than half the perimeter of the barn), the problem simplifies immensely.
- We found that the area, perimeter, length, and width of the lamina were highly correlated, suggesting the existence of a common genetic control.
- Answer: the arc lengths and, therefore, the perimeters are equal.
- Then these rings also have the additional property that both the inner perimeters are equal and the outer perimeters are equal.
- It is easier to find a pentagon that circumscribes the same circle as the given square and has the same perimeter.
- The square and the cube are abstract, they're mathematical forms, measurements, perimeters, boundaries, mental constructs, and as such, are emotionally unknowable.
- The number four, for example, would be the ratio of the perimeter of a square to one of its sides and also the ratio of the area of a square to the area of a square whose side is half the original.
- The most interesting results show, with a very ingenious proof, that an equilateral triangle has a greater area than any isosceles or scalene triangle with the same perimeter.
- He compares the areas of figures with equal perimeters and volumes of solids with equal surface areas, proving a result due to Zenodorus that the sphere has greater volume than any regular solid with equal surface area.
- You calculate the perimeter by multiplying the diameter by pi.
Synonyms
circumference, outside, outer edge
1. 1.1 The outermost parts or boundary of an area or object.
  边缘，周边
  the perimeter of the garden
  矩形的四边。
  figurative my presence on the perimeter of his life
  〈喻〉我在他生活中无足轻重的位置。
  Example sentencesExamples
  Sub-zero temperatures at the complex left the narrow perimeter roads covered in sheet ice, with virtually no grip for the opening cars.
  He said it was the landlord of the estate who had replaced the perimeter fence around the whole of the industrial area.
  Surrounding the entire perimeter of the fence was a long line of barbed wire, spiky and foreboding.
  Most styles can be adapted to meet any pool codes in your area, and provide a safe perimeter fence around your pool.
  There were wooded areas beyond the perimeter and alongside one of the streams, but the course itself was mostly just a large empty field.
  Burn some sage, and walk the inner perimeter of your room or home if you can.
  For the less energetic, there is a walk around the perimeter racecourse road beginning at 2 pm.
  One is a low-voltage electric fence around the perimeter of your garden.
  Repeat this until the entire perimeter of the room has been sanded.
  A two-kilometre perimeter fence for the broader area is also planned.
  We could walk the entire perimeter of the island in less than an hour.
  I drove around our perimeter road one rainy night and saw lots of little rodents of some type running around.
  There are lots of grasshoppers around here, but my hens patrol the garden perimeter fence and really reduce the numbers of insects in the garden.
  About 30 minutes after they had started out, they arrived just beyond the outer perimeter of the lab area.
  Signs are being placed around airport perimeters urging them to join the cause.
  The only sure way of deterring them is to have an electric fence built around the perimeter of the garden.
  They ran to a perimeter concrete fence and jumped over.
  After dark I drove the perimeter road and saw more jackals and foxes.
  A tough protein envelope surrounds the inner perimeter of the cell.
  The court heard how she made off with thousands of pounds worth of holidaymakers' property after scaling the perimeter fence and entering the rooms.
  Synonyms
  boundary, border, frontier, limits, outer limits, bounds, confines, edge, margin, fringe, fringes, periphery, borderline, verge
2. 1.2 A defended boundary of a military position or base.
  （军事阵地或基地的）防线
  Example sentencesExamples
  Our job was to scout, observe and report on enemy activity in the vast area beyond our perimeter.
  Military personnel will also have access from inside the camp perimeter.
  Our battalion promptly relieved the Marine battalion in place, freeing it to plan for its attack within the safety of the Army's perimeter.
  She didn't patrol the base perimeter to repel insurgents.
  Beyond the defensive perimeters of many castles the vestiges of medieval market places can still be found, often with market crosses.
  The Kiwis do security patrols around the base perimeter and man the watchtower on a roster system.
  Simultaneously, they would seize territory throughout the Pacific Rim and attempt to establish a strategic defensive perimeter.
  However, e-mail content filters that look for viral patterns using anti-virus engines will help defend your network perimeter.
  Stationary truckloads of sand parked at the mouth of every street bear an eerie resemblance to a military perimeter.
  One of the challenges of such a collective training event is finding a location to set up a support base camp that allows live fire from within the perimeter.
  If the enemy builds an outer defensive perimeter around the city, it has to be taken in two stages.
  The idea of trained guards patrolling a secure perimeter is a good one.
  Ahead of us is a large cave entrance protected by a perimeter of military guards and equipment.
  They were stationed around the perimeter of the base.
  Once, the primary goal was to protect network perimeters.
  The troops were tasked with planning the defense of the squadron and performing defensive operations around the base perimeter.
  Andrews and the crew quickly exited the aircraft and established a defensive perimeter.
  He immediately set up a defensive perimeter and fortified his area.
  Bitter fighting ensued and the enemy overran forward elements, infiltrated the perimeter and rendered friendly positions untenable.
  In their current formation, they were able to observe every inch of the camp perimeter.
3. 1.3Basketball An area away from the basket, beyond the reach of the defensive team.
  〔篮球〕外围
  he was very patient in working the ball around the perimeter
  Example sentencesExamples
  With reduced defensive contact on the perimeter, point guards can do their jobs with less harassment.
  More than anything, the team needs his defense on the perimeter against more athletic swingmen.
  The low post has two options as the ball moves around the perimeter.
  He's also beginning to get a feel for the right time to squeeze off a tough shot and when to flick the ball out to the perimeter and restart.
  That is to say, whenever the ball is on the perimeter, 3 defensive players are between the player with the ball and basket.
2An instrument for measuring the extent and characteristics of a person's field of vision.
视野计

Usage

See parameter

Origin

Late Middle English: via Latin from Greek perimetros, based on peri- ‘around’ + metron ‘measure’.

单词	perimeter
释义	Definition of perimeter in English: perimeter noun pəˈrɪmɪtəpəˈrɪmɪdər 1The continuous line forming the boundary of a closed geometrical figure. （几何图形的）周，周边 the perimeter of a rectangle 矩形的四边。 Example sentencesExamples We found that the area, perimeter, length, and width of the lamina were highly correlated, suggesting the existence of a common genetic control. Finally, if the rope is short enough (less than half the perimeter of the barn), the problem simplifies immensely. You calculate the perimeter by multiplying the diameter by pi. Then these rings also have the additional property that both the inner perimeters are equal and the outer perimeters are equal. The perimeter of the inner polygon is shorter than the circumference of the circle, while that of the outer polygon is longer. Zenodorus studied the area of a figure with a fixed perimeter and the volume of a solid figure with fixed surface. The square and the cube are abstract, they're mathematical forms, measurements, perimeters, boundaries, mental constructs, and as such, are emotionally unknowable. The number four, for example, would be the ratio of the perimeter of a square to one of its sides and also the ratio of the area of a square to the area of a square whose side is half the original. It is easier to find a pentagon that circumscribes the same circle as the given square and has the same perimeter. The most interesting results show, with a very ingenious proof, that an equilateral triangle has a greater area than any isosceles or scalene triangle with the same perimeter. He compares the areas of figures with equal perimeters and volumes of solids with equal surface areas, proving a result due to Zenodorus that the sphere has greater volume than any regular solid with equal surface area. Answer: the arc lengths and, therefore, the perimeters are equal. Synonyms circumference, outside, outer edge 1.1 The outermost parts or boundary of an area or object. 边缘，周边 the perimeter of the garden 矩形的四边。 as modifier a perimeter fence Example sentencesExamples The court heard how she made off with thousands of pounds worth of holidaymakers' property after scaling the perimeter fence and entering the rooms. Most styles can be adapted to meet any pool codes in your area, and provide a safe perimeter fence around your pool. There are lots of grasshoppers around here, but my hens patrol the garden perimeter fence and really reduce the numbers of insects in the garden. After dark I drove the perimeter road and saw more jackals and foxes. Sub-zero temperatures at the complex left the narrow perimeter roads covered in sheet ice, with virtually no grip for the opening cars. One is a low-voltage electric fence around the perimeter of your garden. Signs are being placed around airport perimeters urging them to join the cause. About 30 minutes after they had started out, they arrived just beyond the outer perimeter of the lab area. He said it was the landlord of the estate who had replaced the perimeter fence around the whole of the industrial area. Burn some sage, and walk the inner perimeter of your room or home if you can. A tough protein envelope surrounds the inner perimeter of the cell. There were wooded areas beyond the perimeter and alongside one of the streams, but the course itself was mostly just a large empty field. Repeat this until the entire perimeter of the room has been sanded. For the less energetic, there is a walk around the perimeter racecourse road beginning at 2 pm. We could walk the entire perimeter of the island in less than an hour. Surrounding the entire perimeter of the fence was a long line of barbed wire, spiky and foreboding. A two-kilometre perimeter fence for the broader area is also planned. The only sure way of deterring them is to have an electric fence built around the perimeter of the garden. I drove around our perimeter road one rainy night and saw lots of little rodents of some type running around. They ran to a perimeter concrete fence and jumped over. Synonyms boundary, border, frontier, limits, outer limits, bounds, confines, edge, margin, fringe(s), periphery, borderline, verge literary bourn, marge, skirt rare ambit 1.2Basketball An area away from the basket, beyond the reach of the defensive team. 〔篮球〕外围 he was very patient in working the ball around the perimeter Example sentencesExamples With reduced defensive contact on the perimeter, point guards can do their jobs with less harassment. More than anything, the team needs his defense on the perimeter against more athletic swingmen. The low post has two options as the ball moves around the perimeter. He's also beginning to get a feel for the right time to squeeze off a tough shot and when to flick the ball out to the perimeter and restart. That is to say, whenever the ball is on the perimeter, 3 defensive players are between the player with the ball and basket. 2An instrument for measuring the extent and characteristics of a person's field of vision. 视野计 Derivatives perimetric adjective pɛrɪˈmɛtrɪkˌpɛrəˈmɛtrɪk Definitive perimetric (visual field) evidence, detailed ophthalmoscopic evidence, or both confirm the diagnosis of open-angle glaucoma. Example sentencesExamples In the short term the low cost, widespread acceptance, and availability of static visual acuity and perimetric measures justifies their use. Origin Late Middle English: via Latin from Greek perimetros, based on peri- 'around' + metron 'measure'. Perimeter is simply a fancy way of saying ‘the distance round’ for it comes via Latin from Greek perimetros, based on peri- ‘around’ and metron ‘measure’. Rhymes limiter, scimitar, velocimeter Definition of perimeter in US English: perimeter nounpəˈrimidərpəˈrɪmɪdər 1The continuous line forming the boundary of a closed geometric figure. （几何图形的）周，周边 the perimeter of a rectangle 矩形的四边。 Example sentencesExamples The perimeter of the inner polygon is shorter than the circumference of the circle, while that of the outer polygon is longer. Zenodorus studied the area of a figure with a fixed perimeter and the volume of a solid figure with fixed surface. Finally, if the rope is short enough (less than half the perimeter of the barn), the problem simplifies immensely. We found that the area, perimeter, length, and width of the lamina were highly correlated, suggesting the existence of a common genetic control. Answer: the arc lengths and, therefore, the perimeters are equal. Then these rings also have the additional property that both the inner perimeters are equal and the outer perimeters are equal. It is easier to find a pentagon that circumscribes the same circle as the given square and has the same perimeter. The square and the cube are abstract, they're mathematical forms, measurements, perimeters, boundaries, mental constructs, and as such, are emotionally unknowable. The number four, for example, would be the ratio of the perimeter of a square to one of its sides and also the ratio of the area of a square to the area of a square whose side is half the original. The most interesting results show, with a very ingenious proof, that an equilateral triangle has a greater area than any isosceles or scalene triangle with the same perimeter. He compares the areas of figures with equal perimeters and volumes of solids with equal surface areas, proving a result due to Zenodorus that the sphere has greater volume than any regular solid with equal surface area. You calculate the perimeter by multiplying the diameter by pi. Synonyms circumference, outside, outer edge 1.1 The outermost parts or boundary of an area or object. 边缘，周边 the perimeter of the garden 矩形的四边。 figurative my presence on the perimeter of his life 〈喻〉我在他生活中无足轻重的位置。 Example sentencesExamples Sub-zero temperatures at the complex left the narrow perimeter roads covered in sheet ice, with virtually no grip for the opening cars. He said it was the landlord of the estate who had replaced the perimeter fence around the whole of the industrial area. Surrounding the entire perimeter of the fence was a long line of barbed wire, spiky and foreboding. Most styles can be adapted to meet any pool codes in your area, and provide a safe perimeter fence around your pool. There were wooded areas beyond the perimeter and alongside one of the streams, but the course itself was mostly just a large empty field. Burn some sage, and walk the inner perimeter of your room or home if you can. For the less energetic, there is a walk around the perimeter racecourse road beginning at 2 pm. One is a low-voltage electric fence around the perimeter of your garden. Repeat this until the entire perimeter of the room has been sanded. A two-kilometre perimeter fence for the broader area is also planned. We could walk the entire perimeter of the island in less than an hour. I drove around our perimeter road one rainy night and saw lots of little rodents of some type running around. There are lots of grasshoppers around here, but my hens patrol the garden perimeter fence and really reduce the numbers of insects in the garden. About 30 minutes after they had started out, they arrived just beyond the outer perimeter of the lab area. Signs are being placed around airport perimeters urging them to join the cause. The only sure way of deterring them is to have an electric fence built around the perimeter of the garden. They ran to a perimeter concrete fence and jumped over. After dark I drove the perimeter road and saw more jackals and foxes. A tough protein envelope surrounds the inner perimeter of the cell. The court heard how she made off with thousands of pounds worth of holidaymakers' property after scaling the perimeter fence and entering the rooms. Synonyms boundary, border, frontier, limits, outer limits, bounds, confines, edge, margin, fringe, fringes, periphery, borderline, verge 1.2 A defended boundary of a military position or base. （军事阵地或基地的）防线 Example sentencesExamples Our job was to scout, observe and report on enemy activity in the vast area beyond our perimeter. Military personnel will also have access from inside the camp perimeter. Our battalion promptly relieved the Marine battalion in place, freeing it to plan for its attack within the safety of the Army's perimeter. She didn't patrol the base perimeter to repel insurgents. Beyond the defensive perimeters of many castles the vestiges of medieval market places can still be found, often with market crosses. The Kiwis do security patrols around the base perimeter and man the watchtower on a roster system. Simultaneously, they would seize territory throughout the Pacific Rim and attempt to establish a strategic defensive perimeter. However, e-mail content filters that look for viral patterns using anti-virus engines will help defend your network perimeter. Stationary truckloads of sand parked at the mouth of every street bear an eerie resemblance to a military perimeter. One of the challenges of such a collective training event is finding a location to set up a support base camp that allows live fire from within the perimeter. If the enemy builds an outer defensive perimeter around the city, it has to be taken in two stages. The idea of trained guards patrolling a secure perimeter is a good one. Ahead of us is a large cave entrance protected by a perimeter of military guards and equipment. They were stationed around the perimeter of the base. Once, the primary goal was to protect network perimeters. The troops were tasked with planning the defense of the squadron and performing defensive operations around the base perimeter. Andrews and the crew quickly exited the aircraft and established a defensive perimeter. He immediately set up a defensive perimeter and fortified his area. Bitter fighting ensued and the enemy overran forward elements, infiltrated the perimeter and rendered friendly positions untenable. In their current formation, they were able to observe every inch of the camp perimeter. 1.3Basketball An area away from the basket, beyond the reach of the defensive team. 〔篮球〕外围 he was very patient in working the ball around the perimeter Example sentencesExamples With reduced defensive contact on the perimeter, point guards can do their jobs with less harassment. More than anything, the team needs his defense on the perimeter against more athletic swingmen. The low post has two options as the ball moves around the perimeter. He's also beginning to get a feel for the right time to squeeze off a tough shot and when to flick the ball out to the perimeter and restart. That is to say, whenever the ball is on the perimeter, 3 defensive players are between the player with the ball and basket. 2An instrument for measuring the extent and characteristics of a person's field of vision. 视野计 Usage See parameter Origin Late Middle English: via Latin from Greek perimetros, based on peri- ‘around’ + metron ‘measure’.
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