noun Etymology: German, from obsolete German Demant diamond, from Middle High German diemant, from Old French diamant — more at diamond Date: circa 1890 a green variety of garnet used as a gem

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Demantoid — General Category Mineral …   Wikipedia

  • Demantoid — De*man toid, n. [G. demant diamond + oid.] (Min.) A yellow green, transparent variety of garnet found in the Urals. It is valued as a gem because of its brilliancy of luster, whence the name. [1913 Webster] …   The Collaborative International Dictionary of English

  • Demantoïd — Demantoïd, Mineral, eine Varietät des Granats (s.d.) …   Meyers Großes Konversations-Lexikon

  • Demantoid — Demantoid, s. Granat …   Lexikon der gesamten Technik

  • demantoid — [di man′toid΄] n. [Ger < demant, diamond (< MHG diemant < OFr diamant, DIAMOND) + oid, OID] a transparent, green variety of andradite, used as a semiprecious gem …   English World dictionary

  • Demantoid — Granatgruppe Chemische Formel XII3YIII2(SiO4)3 Mineralklasse Silicate, Germanate Inselsilicate (Nesosilicate) Kristallsystem …   Deutsch Wikipedia

  • Demantoid — De|man|to|id 〈m. 1〉 Varietät des Granats, wertvoller Schmuckstein [→ Demant, Diamant] * * * Demantoid   [nach dem diamantähnlichen Glanz] der, (e)s/ e, ein Granatmineral, eine grünlich gelbe Varietät des Andradits; Schmuckstein; Vorkommen in… …   Universal-Lexikon

  • demantoid — /di man toyd/, n. Mineral. a brilliant green variety of andradite garnet, used as a gem. Also called Uralian emerald. [1890 95; < G, equiv. to (obs.) Demant DIAMOND ( < MHG diemant < OF diamant) + oid OID] * * * …   Universalium

  • demantoid — noun a green garnet …   Wiktionary

  • Demantoid — De|man|to|id 〈m.; Gen.: (e)s, Pl.: e; Min.〉 grüner Kalkeisengranat …   Lexikalische Deutsches Wörterbuch

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