| 单词 | guaiac |
| 释义 | 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. guaiacum (def. 2). [1550-60; see GUAIACUM] |
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