noun
[noncount] the hot gas that is created when water is boiled
steam that is created by a machine and kept under pressure to provide power
very small drops of water that form on a surface when warm air that contains a lot of water is cooled down
informal :the strength, force, or energy that allows something or someone to continue, to go faster, etc.
full head of steam
full steam ahead
let/blow off (some) steam
informal :to calm down and get rid of energy or anger by doing something active
under its own steam
of a ship, boat, etc. :by using its own power
verb
steams; steamed; steaming
[no obj] :to produce steam
[+ obj] :to cook, heat, or treat (something) with steam
to cause (something, such as a piece of glass) to become covered with small drops of water [+ obj]
usually + up
always followed by an adverb or preposition [no obj]
to move by using power produced by steam
to move forward in a quick and forceful way