Definition of noctiluca in English:

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Pronunciation: /ˌnɒktɪˈluːkə/

noun (plural noctilucae /ˌnɒktɪˈluːkiː/)

A roughly spherical marine dinoflagellate which is strongly phosphorescent, especially when disturbed.
  • Genus Noctiluca, division (or phylum) Dinophyta.
Example sentences
  • Noctiluca is not photosynthetic.
  • Noctiluca are motionless as the flagellum is unable to propel their body through the water: the only movement is found in rotation of vertical position via control of buoyancy in the cell.


Modern Latin, from Latin, literally 'night light, lantern'.

For editors and proofreaders

Line breaks: nocti|luca

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