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Definition of: involucrum

(in′və·loomacr′krəm) noun plural ·cra (-krə)
1. An involucre.
2. Zool. The sheath at the base of a nematocyst. [<L]

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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