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perisperm

noun
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peri·​sperm | \ ˈperəˌspərm \

Definition of perisperm

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

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Other Words from perisperm

perispermal \ ¦⸗⸗¦spərməl \ or perispermic \ -​mik \ adjective

History and Etymology for perisperm

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

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Dictionary Entries Near perisperm

perisome

perisperm

Perisphinctes

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Cite this Entry

“Perisperm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perisperm. Accessed 14 Aug. 2022.

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