JMdict: 1536720

夜光虫 【やこうちゅう】

  1. [n] Noctiluca scintillans (luminescent species of dinoflagellate)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
Night, Evening よ, よる 2
Ray, Light コウ ひか.る, ひかり 2
Insect, Bug, Temper チュウ, キ むし 1