pedion

[ ped-ee-uhn, pee-dee- ]

noun

, Crystallography.

, plural ped·i·a [ped, -ee-, uh, pee, -dee-, uh].

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

Word History and Origins

Origin of pedion¹

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

Example Sentences

Thence a march of three stages—thirty parasangs—brought him to Caystru-pedion , a populous city.

From Project Gutenberg

Basal pedion or , each consisting of a single plane perpendicular to the principal axis.

From Project Gutenberg