sturine

noun
stur·ine
variants: or less commonly sturin \ˈstər‧ˌēn, -ər‧ə̇n, ˈst(y)u̇ˌrēn, -u̇rə̇n \
plural -s

Definition of sturine 

: a protamine in the spermatozoa of sturgeon

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History and Etymology for sturine

International Scientific Vocabulary stur- (from New Latin sturio —specific epithet of the sturgeon Acipenser sturio —, from Medieval Latin, sturgeon, of Germanic origin; akin to Old High German sturio sturgeon) + -ine or -in

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occurring twice a year or every two years

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