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pedion

American  
[ped-ee-uhn, pee-dee-] / ˈpɛd i ən, ˈpi di- /

noun

Crystallography.

plural

pedia

  1. a crystal form having only a single face, without a symmetrical equivalent: unique to the triclinic system.

Etymology

Origin of pedion

1885–90; < New Latin < Greek pedíon plain, level ground, diminutive of pédon ground, earth

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.