diameter
nounmasculinetécnico/djɐˈmɛtɾu/medium
di·â·me·tro
Definition
A straight line passing through the center of a circle or sphere, ending at the circumference or surface, and representing the greatest distance between two points on it.
The diameter of the pipe is 10 centimetres.
Twice the radius equals the diameter.
Common collocations
inner diameterouter diametercircle diametermeasure the diameter
Etymology
Do latim 'diametrus', por sua vez do grego 'díámetros' ('diá' + 'métron').