gymnospermae has definitions from the fields of biology,botany
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[ noun ] (biology,botany) plants having naked seeds not enclosed in an ovary;considered a class (Gymnospermae) or a division (Gymnospermophyta); three subdivisions (or classes): Cycadophytina (Cycadopsida) Gnetophytina (Gnetopsida) and Coniferophytina (Coniferopsida)
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