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prothallial

adjective
pro·​thal·​li·​al | \(ˈ)prō¦thalēəl\
variants: or less commonly prothalline \ (ˈ)prō+ \

Definition of prothallial 

: of or relating to a prothallium

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History and Etymology for prothallial

New Latin prothallium + English -al or -ine

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