noun (plural noctilucae /-ˈlo͞oˌsē/)
A roughly spherical marine dinoflagellate that is strongly phosphorescent, especially when disturbed.
- Genus Noctiluca, division (or phylum) Dinophyta
More 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.