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[naw-plee-uh s] /ˈnɔ pli əs/
noun, plural nauplii
[naw-plee-ahy] /ˈnɔ pliˌaɪ/ (Show IPA)
(in many crustaceans) a larval form with three pairs of appendages and a single median eye, occurring usually as the first stage of development after leaving the egg.
Origin of nauplius
1830-40; < Latin: a kind of shellfish
Related forms
nauplial, naupliform, nauplioid, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for nauplius


noun (pl) -plii (-plɪˌaɪ)
the larva of many crustaceans, having a rounded unsegmented body with three pairs of limbs
Word Origin
C19: from Latin: type of shellfish, from Greek Nauplios, one of the sons of Poseidon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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