Assertion: circle's diameter | /r/DefinedAs | any chord
Facets:
value: in plane geometry
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: In plane geometry, a diameter of a conic section is typically defined as any chord which passes through the conic's centre; such diameters are not necessarily of uniform length, except in the case of the circle, which has eccentricity e = 0.