perisperm

noun

peri·​sperm

ˈperəˌspərm

1

: nutritive tissue of a seed derived from the nucellus and deposited external to the embryo sac

—distinguished from endosperm

2

: nutritive tissue of a seed that includes both endosperm and perisperm

—not used technically

perispermal

¦⸗⸗¦spərməl

adjective

or perispermic

-mik

Word History

Etymology

French périsperme, from péri- peri- + -sperme -sperm

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Rhymes for perisperm

• disaffirm
• ectoderm
• endoderm
• endosperm
• interfirm
• isotherm
• mesoderm
• periderm
• reaffirm
• affirm
• bookworm
• confirm