noctiluca

[ nok-tuh-loo-kuh ]
/ ˌnɒk təˈlu kə /

noun, plural noc·ti·lu·cae [nok-tuh-loo-see]. /ˌnɒk təˈlu si/.

a dinoflagellate of the genus Noctiluca, capable of producing light and, in groups, of causing a luminous appearance of the sea.

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Origin of noctiluca

1670–80; <New Latin; Latin noctilūca shiner by night, equivalent to nocti-nocti- + -lūca shiner, derivative of lūcēre to shine

OTHER WORDS FROM noctiluca

noc·ti·lu·can, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for noctiluca

British Dictionary definitions for noctiluca

noctiluca
/ (ˌnɒktɪˈluːkə) /

noun plural -cae (-siː)

any bioluminescent marine dinoflagellate of the genus Noctiluca

Word Origin for noctiluca

C17: from Latin, from nox night + lūcēre to shine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012