conoid
adjective, noun
Forms conoids
- adjective Shaped like a cone; conical.
- noun Anything shaped like a cone.
- noun (geometry) A Catalan surface all of whose rulings intersect some fixed line
- noun (geometry) A solid formed by the revolution of a conic section about its axis “A parabolic conoid is a paraboloid; an elliptic conoid is an ellipsoid.”
- noun (anatomy) The pineal gland
Synonyms
Etymology
From cone + -oid.
Webster’s 1913
- noun Anything that has a form resembling that of a cone.
- noun (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.
- , Resembling a cone; conoidal.
Etymology [Gr. conoïde.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “conoid”, CC BY-SA 4.0. Details