ENGLISH
REFERENCE

steam

n. uncountable
B2 Upper Intermediate Oxford US //ˈstim// UK //stˈiːm// steam Archaic General-service

n. the hot gas that rises from boiling water. You see it when you cook or when a hot shower makes the bathroom mirror cloudy.

n. the invisible gas into which water is converted when heated to the boiling point; commonly used to refer to the visible mist of water droplets formed by this gas cooling in the air.


SIMPLE

Steam rises from the hot cup of tea.

CONTEXTUAL

Be careful when you lift the lid off the pot, as the hot steam can burn your skin.

COMPLEX

The chef used a bamboo basket to cook the dumplings in steam, a method that preserves the delicate texture of the dough without adding extra fats.

Synonyms
Origin

From Middle English steem, stem, from Old English stēam (“steam, hot exhalation, hot breath; that which emits vapour; blood”), from Proto-Germanic staumaz (“steam, vapour, breath”), from Proto-Indo-European dʰewh₂- (“to whirl, waft, stink, shake; steam, haze, smoke”). Cognate with Scots stem, steam (“steam”), West Frisian steam (“steam, vapour”), Dutch stoom (“steam, vapour”), Low German stom (“steam”), Swedish dialectal stimma (“steam, fog”), Latin fūmus (“smoke, steam”).

Usage

Uncountable when referring to the gas or mist; occasionally used with 'a' in literary contexts to describe a specific plume.

Idioms4 entries

© 2026 English Reference