diameter
/daɪˈæmɪtə/ · /daɪˈæmɪtər/
CEFR level B2Topic ScienceWord #3671 in the learning path
直径
Definitions
n. a straight line through a circle's centre joining opposite edges
直径
Example
The round cake measures thirty centimetres in diameter.
这个圆蛋糕的直径是三十厘米。
Engineers must calculate the diameter of water pipes carefully to ensure an adequate supply to growing cities.
工程师必须仔细计算水管直径，以确保不断扩张的城市有充足的供水。
Collocations
- in diameter
- measure the diameter
- internal diameter
- external diameter
Usage tip
直径是diameter，半径是radius；尺寸后常接in diameter。
FAQ
- What does diameter mean?
- a straight line through a circle's centre joining opposite edges
- How is diameter pronounced?
- UK /daɪˈæmɪtə/, US /daɪˈæmɪtər/. Use the audio buttons above to listen.
