noctiluca
Concise Oxford English Dictionary © 2008 Oxford University Press:
noctiluca /ˌnɒktɪˈluːkə/
▶noun (pl. noctilucae /-kiː/) a roughly spherical phosphorescent marine dinoflagellate. [Genus Noctiluca.]
– origin mod. L., from L., lit. ‘night light, lantern’.
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