noun nau·pli·us \ˈn-plē-əs\
plural -plii \-plē-ˌī, -ˌē\

Definition of NAUPLIUS

:  a crustacean larva in usually the first stage after leaving the egg and with three pairs of appendages, a median eye, and little or no segmentation

Origin of NAUPLIUS

New Latin, from Latin, a shellfish, from Greek nauplios
First Known Use: 1836


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