Share this entry
noctiluca Line breaks: nocti|luca
Pronunciation: /ˌnɒktɪˈluːkə/

Definition of noctiluca in English:

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'.

Definition of noctiluca in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources