- The definition of steam is using water vapor.
An example of steam used as an adjective is in the phrase "steam engine," which means an engine that runs on water vapor.
- Steam is a vapor, particularly water heated to the boiling point and then converted to a vapor or gas.
An example of steam is vapor coming out of a hot pot of soup.
- Steam is defined as to give off a vapor or to expose to a vapor.
An example of to steam is to cook broccoli in a covered pot with a little water.
steam definition by Webster's New World
- Obsolete a vapor, fume, or exhalation
- water as converted into an invisible vapor or gas by being heated to the boiling point; vaporized water: it is used for heating, cooking, cleaning, and, under pressure, as a source of power
- the power supplied by steam under pressure
- Informal driving force; vigor; energy
- condensed water vapor, seen as the mist condensed on windows or in the air above boiling water
Origin: Middle English steme ; from Old English steam, akin to Dutch stoom, West Frisian steam
- using steam; heated, operated, propelled, etc. by steam
- containing or conducting steam: a steam pipe
- treated with, or exposed to the action of, steam
- to give off steam or a steamlike vapor, esp. condensed water vapor
- to rise or be given off as steam
- to become covered with condensed steam: usually with up: when the hot bath was drawn, the bathroom mirror steamed up
- to generate steam
- to move or travel by or as if by steam power
- Informal to seethe with anger, vexation, etc.; fume
- to treat with, or expose to the action of, steam; cook, soften, remove, open, etc. by using steam
- to give off (vapor) or emit as steam
steam definition by American Heritage Dictionary
- a. The vapor phase of water.b. A mist of cooling water vapor.
- a. Pressurized water vapor used for heating, cooking, or to provide mechanical power.b. The power produced by a machine using pressurized water vapor.c. Steam heating.
- Power; energy.
- To produce or emit steam.
- To become or rise up as steam.
- To become misted or covered with steam.
- To move by means of steam power.
- Informal To become very angry; fume.
Origin: Middle English steme, from Old English stēam.
steam - Phrases/Idioms
let off steamor blow off steam
under one's own steam
steam - Science Definition
- Water in its gaseous state, especially at a temperature above the boiling point of water (above 100°C, or 212°F, at sea level). See Note at vapor.
- A mist of condensed water vapor.