See also: 黑煙 and 黒烟

Chinese

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For pronunciation and definitions of – see 黑煙 (“dark clouds; black smoke”).
(This term is the simplified form of 黑煙).
Notes:

Japanese

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Kanji in this term
こく
Jinmeiyō
えん
Hyōgai
on'yomi

Pronunciation

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Noun

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(こく)(えん) (kokuen

  1. Kyūjitai form of 黒烟: black smoke