noun
- Plural of noctiluca; luminescent marine organisms, typically dinoflagellates, that produce bioluminescence and glow in the dark.
Usage: scientific; usually used in plural form; also called sea sparkles
Examples
- The noctilucas in the bay created a magical blue glow when disturbed at night.
- Scientists study noctilucas to understand bioluminescence in marine ecosystems.
- Swimmers were amazed by the noctilucas lighting up the water with each movement.
- The noctilucas bloom occurred during warm summer months along the coast.
- Noctilucas are single-celled organisms that produce light through chemical reactions.