| dioecia | 1. <botany> A Linnaean class of plants having the stamens and pistils on different plants. 2. <marine biology> A subclass of gastropod mollusks in which the sexes are separate. It includes most of the large marine species, like the conchs, cones, and cowries. Origin: NL, fr. Gr. = twice + a house. (19 Mar 1998) |
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