Emily Dickinson Lexicon

AN-O-MO-RHOM'BOID, n. [Gr. ανομοιος, irregular, and ῥομβοειδης, of a rhomboidal figure.]

A genus of spars, pellucid, and crystaline, of no determinate form externally, but breaking into regular rhomboidal masses. The species are five, mostly of a white color. – Encyc.