巻雲(けんうん)

けんうん
noun
cirrus cloud
1. cirrus cloud; cirrus
A type of high-altitude, thin, wispy cloud formed at very high altitudes. One of the ten basic cloud types in meteorology.
空(そら)に巻雲(けんうん)が広(ひろ)がっている。
Cirrus clouds are spreading across the sky.
巻雲(けんうん)は天気(てんき)が崩(くず)れる前兆(ぜんちょう)とされる。
Cirrus clouds are considered a sign that the weather is about to worsen.
巻雲(けんうん)は氷(こおり)の結晶(けっしょう)からできており、高度(こうど)が非常(ひじょう)に高(たか)いところに発生(はっせい)する。
Cirrus clouds are made of ice crystals and form at very high altitudes.

A compound of 巻(けん) (curl, roll) and 雲(うん) (cloud). The formal meteorological term for cirrus clouds, which are thin, feathery clouds found at high altitudes.

COMMON COLLOCATIONS:

  • 巻雲(けんうん)が出(で)る: cirrus clouds appear
  • 巻雲(けんうん)が広(ひろ)がる: cirrus clouds spread

OTHER CLOUD TYPES:

  • 積雲(せきうん): cumulus cloud
  • 層雲(そううん): stratus cloud
  • 乱雲(らんうん): nimbus cloud
  • 巻積雲(けんせきうん): cirrocumulus (mackerel sky)

NOTE:
In everyday language, cirrus clouds are often called すじ雲(ぐも) (streak clouds) due to their wispy, hair-like appearance. 巻雲(けんうん) is the more technical/scientific term.

general
Added 2026.4.4 7:14
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