蒸 気(じょうき)

じょうき

noun

steam, vapor

1. steam, vapor

Water in its gaseous state, produced when water is heated to boiling point; also used for vapor in general.

やかんから蒸気(じょうき)が出(で)ている。

Steam is coming out of the kettle.

蒸気(じょうき)機関車(きかんしゃ)は今(いま)ではほとんど見(み)られない。

Steam locomotives are rarely seen nowadays.

蒸気機関車 = steam locomotive

お風呂(ふろ)の蒸気(じょうき)で鏡(かがみ)が曇(くも)った。

The mirror fogged up from the steam in the bath.

蒸気(じょうき)で火傷(やけど)しないように気(き)をつけてください。

Please be careful not to get burned by the steam.

工場(こうじょう)では蒸気(じょうき)の力(ちから)を利用(りよう)して大(おお)きな機械(きかい)を動(うご)かしている。

In the factory, they use the power of steam to operate large machines.

蒸気(じょうき) refers specifically to water vapor or steam. It played a crucial role in the Industrial Revolution and remains important in modern applications.

COMMON COMPOUNDS:

蒸気(じょうき)機関(きかん): steam engine
蒸気(じょうき)機関車(きかんしゃ): steam locomotive (often abbreviated SL)
蒸気(じょうき)船(せん): steamship
水蒸気(すいじょうき): water vapor

RELATED WORDS:

湯気(ゆげ): steam (visible vapor rising from hot water, often used in everyday contexts like food or baths)

Related Words

Contrast: 湯気(ゆげ) (visible steam (everyday))

core

Added 2026.1.14 7:31 · Revised 2026.5.31 1:12

04000/04278_jouki