steam

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steam

(stēm) [AS. steam, vapor]
1. The invisible vapor into which water is converted at the boiling point.
2. The mist formed by condensation of water vapor.
3. Any vaporous exhalation.

steam

the vapor created by heating water to 212°F (100°C).

steam sterilization
see sterilization (2).
References in periodicals archive ?
McChrystal is held accountable for letting off steam.
Vintage vehicle veterans will be letting off steam this weekend, at a grand gathering of old-world automobiles, traditional tractors and middle-aged motorbikes.
Paul Woodward, brand director for Laphroaig at ADUK, said: "Our own research indicates that Laphroaig consumer's tend to be opinionated individuals who enjoy letting off steam whilst appreciating the distinctive flavour of the UK's favourite Islay single malt Scotch whisky.
Principal lecturer Tracey Cockerton said: "Those with high emotional intelligence were less likely to bottle up feelings and were more likely to find sensible ways of letting off steam or seeking social support from other officers.
We see dancers exhausted, bored, relaxing, letting off steam on tour in an Athens taverna, joyriding in Copenhagen's Tivoli Gardens - even walking their dogs.