| macrocyst | <clinical sign> A cyst that is large enough to be felt with the fingers. (22 Jan 1998) |
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| macrocystis | <botany> An immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels. Origin: NL. See Macro-, and Cyst. Source: Websters Dictionary (01 Mar 1998) |