perisperm

P3E1R1I1S1P3E1R1M3

noun

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

Scrabble 15

Meanings

nounperisperm (countable and uncountable, plural perisperms)

plural perisperms

  1. countableuncountablebiologyThe layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.

Origin

  1. Frenchpérisperme
  2. Englishperisperm

From French périsperme. See peri- and sperm.

Full word history & related roots →
Cite this entry
APA

perisperm. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/perisperm

MLA

“perisperm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perisperm. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “perisperm,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/perisperm.

Source: perisperm on Wiktionary, CC BY-SA 4.0.