Definify.com
Webster 1913 Edition
Perisperm
Webster 1828 Edition
Perisperm
PER'ISPERM
,Noun.
Definition 2024
perisperm
perisperm
English
Noun
perisperm (plural perisperms)
- (biology) The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.