Associations to the word «Disphenoid»

Wiktionary

DISPHENOID, adjective. (mineralogy) Describing a wedge-shaped crystal form of the tetragonal or orthorhombic system.
DISPHENOID, adjective. (mineralogy) Describing a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron.
DISPHENOID, noun. (geometry) A polyhedron whose four faces are identical isosceles or scalene triangles.

Wise words

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle