Last Updated：2025/11/21

Power derived from water heated into steam, usually converted to motive power by a reciprocating engine or turbine.

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steam power

Source Word

steam power

Noun

uncountable

Power derived from water heated into steam, usually converted to motive power by a reciprocating engine or turbine.

Japanese Meaning

水を加熱して発生する蒸気から得られる動力。通常は往復運動のエンジンやタービンを用いて機械的エネルギーに変換される。

The old locomotive relied on steam power generated by boiling water to drive its pistons and pull the train.

その古い機関車は、水を蒸気にして得られる動力に頼ってピストンを動かし、列車を牽引していた。

Sense（1）

Power derived from water heated into steam, usually converted to motive power by a reciprocating engine or turbine.

The pistons are driven by steam power.

Sense（2）

Means of transportation based on such power, particularly steamboat/ship or steam train.

Before the diesel locomotive, steam power was king.