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 (disambiguation) — Guaiac can refer to:* Guaiacum, a genus of shrubs and trees native to the Americas. * Oil of guaiac, is a fragrance used in soap. * Guaiacol, a natural organic compound derived from guaiacum. * Stool guaiac test, a test for the presence for… … Wikipedia
guaiac test — n a test for blood in urine or feces using a reagent containing guaiacum that yields a blue color when blood is present see HEMOCCULT * * * (for occult blood) glacial acetic acid and a solution of gum guaiac are mixed with the specimen; on… … Medical dictionary
guaiac wood — noun heartwood of a palo santo; yields an aromatic oil used in perfumes • Syn: ↑guaiacum wood • Hypernyms: ↑wood • Substance Holonyms: ↑palo santo, ↑Bulnesia sarmienti * * * noun … Useful english dictionary
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 — 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] * * * guai·ac g(w)ī .a … Medical dictionary