altitude
/ˈæltɪtjuːd/noun
mass noun
1- the height of an object or point in relation to sea level or ground level（物体）高度; （相对海平面或地平面的）海拔, 高度：
flight data including airspeed and altitude
包括空速和高度的飞行数据
count noun flying at altitudes over 15,000 feet.在15,000英尺以上的高度飞行。
1.1
- great height高地：
the mechanism can freeze at altitude.
机械装置在高海拔地区会冻住。
1.2
- Astronomy the apparent height of a celestial object above the horizon, measured in angular distance【天文】（天体在地平线上的）地平纬度, 高度。
1.3
- Geometry the length of the perpendicular line from a vertex to the opposite side of a figure【几何】顶垂线。
派生词
altitudinal
adjective词源
late Middle English: from Latin altitudo, from altus 'high'.