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Definition of nudibranch

nudibranch

/ˈnuː.dɪˌbræŋk/
nu · di · branch
Plural:nudibranchs
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nudibranch Lexical Profile

nudibranch Game Scores & Validity

• noun

1

Any of numerous marine gastropod mollusks of the order Nudibranchia, characterized by the absence of a shell in the adult stage and often possessing strikingly bright colors and exposed tufts of gills on their dorsal surface.

Example

"The marine biologist carefully photographed the vibrant, neon-blue nudibranch slowly crawling across the coral reef."

• Nearby Words

nu
nuble
nuclidic
nudibranch
nueces
nugget
nuku'alofa

Word Origin & Etymology

Coined in the mid-19th century from modern Latin Nudibranchia, combining Latin 'nudus' (naked) and Greek 'brankhia' (gills), referring to the exposed breathing apparatus on the backs of most species.

Cite this Entry

Wordmom. (2026). Definition of Nudibranch. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/nudibranch
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