1
- (of lines, planes, surfaces, or objects) side by side and having the same distance continuously between them（线, 平面, 表面, 物体）平行的：
parallel lines never meet
平行线永不相交
the road runs parallel to the Ottawa River.
这条路与渥太华河平行。
1.1
- occurring or existing at the same time or in a similar way; corresponding并存的; 类似的; 相对应的：
a parallel universe
一个类似的宇宙
they shared a flat in London while establishing parallel careers.
他们在创立各自的事业时在伦敦合住一套公寓。
1.2
- Computing involving the simultaneous performance of operations【计算机】并行的。
1.3
- of or denoting electrical components or circuits connected to common points at each end, rather than one to another in sequence.并联的。SERIES的反义词。
1.4
- S. African of or relating to schools in which two languages are used in separate classes〈南非〉（与）按两种语言分班教学的学校（有关）的。
1
- a person or thing that is similar or analogous to another可相比拟的人（或事物）：
a challenge which has no parallel in peacetime this century.
本世纪和平时期的一个无可比拟的挑战。
1.1
- a similarity相似之处：
he points to a parallel between biological evolution and cognitive development.
他指出了生物进化和认知发展的相似之处。
1.2
- a comparison比拟; 比较：
he draws a parallel between personal destiny and social forces.
他把个人命运和社会影响力作了一个比较。
2
- （亦作parallel of latitude）each of the imaginary parallel circles of constant latitude on the earth's surface（地球的）纬线; 纬圈, 平行圈。
2.1
- a corresponding line on a map（地图上的）纬线。
2.2
- Printing two parallel lines (‖) as a reference mark【印】平行符号(‖) 。
1
paralleled, paralleling
with obj.(of something extending in a line) be side by side with (something extending in a line), always keeping the same distance与…平行：a big concrete gutter that paralleled the road.
与道路平行的一条大型水泥排水沟。
1.1
- be similar or corresponding to (something)与…相似; 与…相当：
US naval and air superiority was paralleled by Soviet superiority in land-based missile systems.
苏联陆基导弹系统的优势与美国的海空军优势旗鼓相当。
短语
in parallel
1
- occurring at the same time and having some connection并列的; 相关的且同时发生的。
1.1
- (of electrical components or circuits) connected to common points at each end; not in series（电器元件, 线路）并联的。
词源
mid 16th cent.: from French parallèle, via Latin from Greek parallēlos, from para- 'alongside' + allēlos 'one another'.