Japanese word

水蒸気

Pronunciation

Romajisuijōki

Meaning

  • nounsteam

Example

やかんから水蒸気が出ています。ya ka n ka ra sui jō ki ga de te i ma su

Steam is coming from the kettle.

Illustration for 水蒸気 (steam)

More examples

冬は窓の近くで水蒸気が水滴に変わることがあります。fuyu wa mado no chika ku de sui jō ki ga sui teki ni ka wa ru ko to ga a ri ma su

In winter, steam can sometimes turn into water droplets near windows.

Core concept

Describes water in a gaseous state, especially when it results from heating or evaporation.

Common phrases

  • 水蒸気を発生させるsui jō ki o has sei sa se ru

    generate steam

  • 水蒸気を冷やすsui jō ki o hi ya su

    cool steam

  • 水蒸気の圧力sui jō ki no atsu ryoku

    steam pressure

Similar words

湯気yuge: A visible cloud of tiny water droplets that forms when warm water vapor cools.
蒸気jōki: A gas formed when a liquid is heated, often referring to water in everyday use.

Definition in Japanese

水が気体の状態になったもの。mizu ga ki tai no jō tai ni na tta mo no

Word origin

The word 水蒸気 (suijōki) joins 水 (sui, "water") with 蒸気 (jōki, "steam vapor"), which consists of 蒸 (jō, "steam") and 気 (ki, "air").

Usage tips

  • The white cloud above a kettle is mostly tiny water droplets formed when invisible water vapor cools.

Other meanings

  • water vapornoun

Word lists with this word