cryp·tom·o·nad | \kripˈtäməˌnad\
plural -s

Definition of cryptomonad 

: a flagellate of the order Cryptomonadina

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First Known Use of cryptomonad

1841, in the meaning defined above

History and Etymology for cryptomonad

New Latin, from Cryptomonad-, Cryptomonas

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The first known use of cryptomonad was in 1841

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