JapaneseEdit

Kanji in this term

Grade: 4
こう
Grade: 2

Grade: 4
くも > ぐも
Grade: 2
 
The contrails of a four engined jet over London, England.

EtymologyEdit

Compound of 飛行機(hikōki, airplane, aeroplane) and (kumo, clouds), which is voiced due to suffixation.

NounEdit

飛行機雲 (hiragana ひこうきぐも, romaji hikōkigumo)

  1. vapor trail, contrail