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guaiacum n. 愈疮木 愈疮木 guaiacum n 1: medicinal resin from the lignum vitae tree 2: hard greenish- brown wood of the lignum vitae tree and other trees of the genus Guaiacum [ synonym: { lignum vitae}, { guaiac}, { guaiacum}] 3: small genus of evergreen resinous trees or shrubs of warm and tropical America [ synonym: { Guaiacum}, { genus Guaiacum}] 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 large tree of the West Indies and Central America. It is much used in medicine. [ Written also { guaiac}.] [ 1913 Webster]
Lignum- vitae \ Lig" num- vi" tae\ ( l[ i^] g" n[ u^] m v[ imac]" t[= e]), n. [ L., wood of life; lignum wood vita, genitive vit[ ae], life.] ( Bot.) A tree ({ Guaiacum officinale}) found in the warm latitudes of America, from which the { guaiacum} of medicine is procured. Its wood is very hard and heavy, and is used for various mechanical purposes, as for the wheels of ships' blocks, cogs, bearings, and the like. See { Guaiacum}. [ 1913 Webster] Note: In New Zealand the { Metrosideros buxifolia} is called lignum- vit[ ae], and in Australia a species of { Acacia}. The bastard lignum- vit[ ae] is a West Indian tree ({ Sarcomphalus laurinus}). [ 1913 Webster]
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