Jisho

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Noun
1. squid ink
Wikipedia definition
2. Cephalopod inkCephalopod ink is a dark pigment released into water by most species of cephalopod, usually as an escape mechanism. All cephalopods, with the exception of the Nautilidae and the species of octopus belonging to the suborder Cirrina, are able to release ink. The ink is released from the ink sacs (located between the gills) and is dispersed more widely by accompanying its release with a jet of water from the funnel. Its dark color is caused by its main constituent, melanin.
Read “Cephalopod ink” on English Wikipedia
Read “イカ墨” on Japanese Wikipedia
Read “Cephalopod ink” on DBpedia
Other forms
イカ墨 【イカすみ】

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