berylloid

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Berylloid — Ber yl*loid, n. [Beryl + oid.] (Crystallog.) A solid consisting of a double twelve sided pyramid; so called because the planes of this form occur on crystals of beryl. [1913 Webster] … The Collaborative International Dictionary of English
berylloid — ˈberəˌlȯid noun ( s) Etymology: International Scientific Vocabulary beryll (probably from Latin beryllus) + oid; from the frequent occurrence of beryl crystals in this form : a form consisting of a double 12 sided pyramid : the dihexagonal… … Useful english dictionary
berylloid — noun a solid consisting of a double twelve sided pyramid … Wiktionary
berylloid — ber·yl·loid … English syllables
beryllium — noun /bəˈrɪliəm/ The chemical element with an atomic number of 4; a light metal with specialist industrial applications. Syn: glucinium, glucinum See Also: beryl, beryllia, beryllide, berylline … Wiktionary

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