The resin of Guaiacum officinale or G. sanctum (family Zygophyllaceae); a nauseant, diaphoretic, stimulant, and reagent in testing for occult blood. SYN: g. gum. [Sp. guayaco, imitating the native Carib name]

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guai·ac 'g(w)ī-.ak n GUAIACUM (3)

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guai·ac (gwiґək) a resin from the wood of the tropical trees Guaiacum officinale and G. sanctum, used as a reagent in tests for occult blood and formerly in the treatment of rheumatism.

Medical dictionary. 2011.

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Look at other dictionaries:

  • guaiac — GUAIÁC, guaiaci, s.m. Arbore exotic important pentru lemnul şi extractele lui, folosite în medicină (Guaiacum officinale). [var.: gaiác, i s.m.] – Din engl. guayaco. Trimis de gall, 13.09.2007. Sursa: DEX 98  guaiác s. m., pl. guaiáci Trimis de… …   Dicționar Român

  • Guaiac — Gua iac, a. [See {Guaiacum}.] Pertaining to, or resembling, guaiacum. n. Guaiacum. [1913 Webster] …   The Collaborative International Dictionary of English

  • guaiac — [gwī′ak΄] n. [< GUAIACUM] 1. a greenish brown resin from the wood of two species of guaiacum (Guaiacum sanctum and G. officinale) used as a reagent in tests for blood traces, in varnishes, etc. 2. GUAIACUM (sense 2) …   English World dictionary

  • guaiac — Guaiacum Gua ia*cum, n. [NL., fr. Sp. guayaco, from native name in Haiti.] 1. (Bot.) A genus of small, crooked trees, growing in tropical America. [1913 Webster] 2. The heart wood or the resin of the {Guaiacum officinale} or lignum vit[ae], a… …   The Collaborative International Dictionary of English

  • guaiac — /gwuy ak/, n. 1. Also called guaiacum gum, gum guaiac. a greenish brown resin obtained from the guaiacum tree, esp. from Guaiacum officinale, used in varnishes, as a food preservative, and in medicine in various tests for the presence of blood. 2 …   Universalium

  • guaiac — noun Etymology: New Latin Guaiacum Date: 1750 guaiacum 2 …   New Collegiate Dictionary

  • guaiac — noun A paper treated with alpha guaiaconic acid, used in tests to detect blood in the faeces …   Wiktionary

  • guaiac — gua|iac Mot Agut Nom masculí …   Diccionari Català-Català

  • guaiac — [ gwʌɪak] noun brown resin obtained from guaiacum trees, used as a flavouring and in varnishes …   English new terms dictionary

  • guaiac — guai·ac …   English syllables

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