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.

QUIZZES

How Hip Is Your Lingo? Take Our Slang Quiz!
If you aren’t already skilled in slang, then this quiz can get you up to speed in no time!
Question 1 of 11
OK Boomer can be perceived as pejorative, but it is mostly considered to be _____

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. 2020

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