noun
Refers to a steam-powered vessel. Often synonymous with 汽船, though 蒸気船 explicitly emphasizes steam power.
See also: 汽船
19世紀には多くの蒸気船が大西洋を横断した。
In the 19th century, many steamships crossed the Atlantic.
An old steamboat is on display at this port.
汽船 is a more general term for steam-powered ships and is more common. 蒸気船 explicitly uses the word 蒸気 (steam) and may sound slightly more technical or descriptive.
Compound of 蒸気 (steam) and 船 (ship).