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bisphenoid

American  
[bahy-sfee-noid] / baɪˈsfi nɔɪd /

noun

Crystallography.

  1. a tetrahedral form, each edge of which is bisected by the perpendicular bisecting the edge that does not intersect it.

Etymology

Origin of bisphenoid

bi- 1 + sphenoid

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.