ruby spinel
noun Date: 1839 a usually red spinel used as a gem

New Collegiate Dictionary. 2001.

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  • ruby spinel — noun a spinel used as a gemstone (usually dark red) • Syn: ↑spinel ruby • Hypernyms: ↑spinel • Hyponyms: ↑almandine, ↑balas, ↑balas ruby, ↑rubicelle * * * …   Useful english dictionary

  • ruby spinel — Mineral. a deep red, transparent variety of spinel, used as a gem. Also called spinel ruby. [1830 40] * * * ▪ mineral       natural or synthetic gem quality spinel (q.v.; magnesium aluminum oxide) that resembles ruby. The two natural gems are… …   Universalium

  • ruby spinel — ru′by spinel n. mir a deep red, transparent variety of spinel, used as a gem • Etymology: 1830–40 …   From formal English to slang

  • Ruby — Ru by, n.; pl. {Rubies}. [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See {Rouge}, {red}.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between… …   The Collaborative International Dictionary of English

  • Ruby of arsenic — Ruby Ru by, n.; pl. {Rubies}. [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See {Rouge}, {red}.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between… …   The Collaborative International Dictionary of English

  • Ruby of sulphur — Ruby Ru by, n.; pl. {Rubies}. [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See {Rouge}, {red}.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between… …   The Collaborative International Dictionary of English

  • Ruby of zinc — Ruby Ru by, n.; pl. {Rubies}. [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See {Rouge}, {red}.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between… …   The Collaborative International Dictionary of English

  • Ruby silver — Ruby Ru by, n.; pl. {Rubies}. [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See {Rouge}, {red}.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between… …   The Collaborative International Dictionary of English

  • ruby sulphur — Ruby Ru by, n.; pl. {Rubies}. [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See {Rouge}, {red}.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between… …   The Collaborative International Dictionary of English

  • spinel ruby — noun a spinel used as a gemstone (usually dark red) • Syn: ↑ruby spinel • Hypernyms: ↑spinel • Hyponyms: ↑almandine, ↑balas, ↑balas ruby, ↑rubicelle …   Useful english dictionary

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