exosporium en · NOUN
Etymology
Etymology tree Ancient Greek ἐκ (ek) Ancient Greek ἔξω (éxō)der. English exo- English spore Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English exosporium From exo- + spore + -ium.
Meanings
- The outer layer of a pollen grain or spore; the exine.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| exosporia | Number=Plur | lexicographic |