conoid

From cone +‎ -oid.

• Audio (US):

  (file)

conoid (comparative more conoid, superlative most conoid)

1. Shaped like a cone; conical.
   • 2023 March 22, Philip Haigh, “Five configuration stages to boost Manchester rail capacity”, in RAIL, number 979, page 31:

     Historic England explained the listing: "The station's unique design employs a high level of sophistication and innovation through its use of conoid shells supported on a cruck-like frame, which not only create a dramatic aesthetic form, but endow the building with a light and spacious interior."

conoid (plural conoids)

1. Anything shaped like a cone
2. (geometry) A Catalan surface all of whose rulings intersect some fixed line
3. (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.

4. (anatomy) The pineal gland

• (geometry): right conoid ⊃ hyperbolic paraboloid

• oncoid

Borrowed from French conoïde.

conoid n (plural conoizi)

1. conoid