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English definition of “steam”

steam

noun [U]     /stiːm/
B2 the hot gas that is produced when water boils: Steam rose from the simmering stew. steam turbines a steam engine/locomotive the age of steam (= the period when steam provided power for railways and factories) The pump is driven by steam.Clouds, dew, fog and steam
(Definition of steam noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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