Definition of prothallus
The word prothallus uses 10 letters: a, h, l, l, o, p, r, s, t, u
prothallus is playable in:
Words With Friends18
Scrabble US15
Scrabble UK15
Meanings of prothallus
n. - The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the oophoric generation of ferns, etc.
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