-
Trending Now:
More Trending:
- transgender beleaguer scaramouch non sequitur admiral's mast
- ALL
perisperm
noun
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
perispermal
orperispermic
\-mik\ adjectiveRead the Latest from M-W
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of perisperm
French périsperme, from péri- peri- + -sperme -sperm
Seen and Heard
What made you want to look up perisperm? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!