ENDOSPERM


Meaning of ENDOSPERM in English

-ˌspərm noun

Etymology: French endosperme, from end- + sperme sperm

1. : a nutritive tissue in seed plants formed around the embryo within the embryo sac by proliferation of the endosperm nucleus to form a mass of thin-walled triploid cells rich in carbohydrates which may be absorbed by the developing embryo or may remain until the seed germinates

2. : any storage tissue within the seed regardless of its origin (as the female gametophyte tissue in gymnospermous seeds)

• en·do·sper·mic | ̷ ̷ ̷ ̷|spərmik adjective

• en·do·sper·mous -məs adjective

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.