noun
Origin: Ger tetradymit < Gr tetradymos, fourfold (because it occurs in compound twin crystals) + Ger -it, -ite
See tetradymite in American Heritage Dictionary 4
noun
Origin:
Origin: German Tetradymit
Origin: , from Late Greek tetradumos, fourfold (from the double twin crystals in which it usually is found)
Origin: : Greek tetra-, tetra-
Origin: + didumos, double; see dwo- in Indo-European roots
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