exosporium
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
21
Scrabble Score
10
Letters
4
Syllables
9
Unique Chars
Meaning
noun
The outer layer of a pollen grain or spore; the exine.
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.