diameter
Concise Oxford English Dictionary © 2008 Oxford University Press:
diameter /dʌɪˈamɪtə/
▶noun
- 1 a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere.
■ a transverse measurement of something; width or thickness.
- 2 a unit of linear measurement of magnifying power.
– derivatives
diametral adjective.
diametral adjective.
– origin ME: from OFr. diametre, via L. from Gk diametros (grammē) ‘(line) measuring across’.
'diameter' also found in these Oxford entries:
baulk line
- blood pressure
- bore
- calibre
- capillary
- counterbore
- d
- dia.
- diametrical
- f-number
- long-playing
- pi
- prolate
- semidiameter
- spiral
- stop
- vasoactive
- wire gauge
