Definify.com

Webster 1913 Edition

Perisperm

Per′i-sperm

,
Noun.
[F.
périsperme
. See
Peri-
, and
Sperm
.]
(Bot.)
The albumen of a seed, especially that portion which is formed outside of the embryo sac.
–
Perˊi-sper′mic
(#)
,
Adj.

Webster 1828 Edition

Perisperm

PER'ISPERM

,
Noun.
[Gr. around, and seed.] A thick, farinaceous, fleshy, horny or woody part of the seed of plants, either entirely or only partially surrounding the embryo, and inclosed within the investing membrane. It corresponds to the albumen of Gaertner.

Definition 2024

perisperm

perisperm

English

Noun

perisperm ‎(plural perisperms)

  1. (biology) The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.

Derived terms

Etymology

From French périsperme. See peri- and sperm.

Similar Results