tetartohedrism
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Tetartohedrism — Te*tar to*he drism, n. (Crystallog.) The property of being tetartohedral. [1913 Webster] … The Collaborative International Dictionary of English
tetartohedrism — te·tar·to·he·drism … English syllables
tetartohedral — tetartohedrally, adv. tetartohedrism, n. /ti tahr toh hee dreuhl/, adj. (of a crystal) having one fourth the planes or faces required by the maximum symmetry of the system to which it belongs. [1855 60; < Gk tétarto(s) one fourth + HEDRAL] * * * … Universalium
