perisperm
perisperm · perisperms
The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of…The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.
Meaning
1 senses(countable, uncountable)The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.
the nutritive tissue outside the sac containing the embryo in some seeds
Origin
From French périsperme. See peri- and sperm.From French périsperme. See peri- and sperm.
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Forms
plural: perisperms| Singular | perisperm |
|---|---|
| Plural | perisperms |
regular
Word family
1 related wordsDerivedperispermic
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable