conoid
NounOpen English WordNet
Noun (1)
- a shape whose base is a circle and whose sides taper up to a pointSynonyms: conecone shapeType of round shapeKinds funnel, funnel shapeParts point, tip
Word of the day · Nov 15About this word
aberrationnoun
a state or condition markedly different from the norm
Webster's Dictionary (1913)
Co′noid (kō′noid), noun
Origin: Gr. κωνοειδής conical; κῶνος cone + εἶδος form: cf. F. conoïde.
1. Anything that has a form resembling that of a cone.
2. Geometry (a) A solid formed by the revolution of a conic section about its axis; as, a parabolic conoid, elliptic conoid, etc.; — more commonly called paraboloid, ellipsoid, etc. (b) A surface which may be generated by a straight line moving in such a manner as always to meet a given straight line and a given curve, and continue parallel to a given plane. Math. Dict.
Co′noid adjective
Resembling a cone; conoidal.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54