| plastide | 1. <biology> A formative particle of albuminous matter; a monad; a cytode. See the Note under Morphon. 2. <botany> One of the many minute granules found in the protoplasm of vegetable cells. They are divided by their colours into three classes, chloroplastids, chromoplastids, and leucoplastids. Origin: Gr, a creator. Source: Websters Dictionary (01 Mar 1998) |
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