Definition of noctiluca in English:

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Pronunciation: /ˌnäktəˈlo͞okə/

noun (plural noctilucae /-ˈlo͞oˌsē/)

A roughly spherical marine dinoflagellate that 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

Syllabification: noc·ti·lu·ca

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