pressure cooker

noun
1.
a reinforced pot, usually of steel or aluminum, in which soups, meats, vegetables, etc., may be cooked quickly in heat above boiling point by steam maintained under pressure.
2.
any situation, job, assignment, etc., in which a person is faced with urgent responsibilities or demands by other people, constant deadlines, or a hectic work schedule.
Also, pressure-cooker.


Origin:
1910–15

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
pressure cooker
 
n
1.  a strong hermetically sealed pot in which food may be cooked quickly under pressure at a temperature above the normal boiling point of water
2.  informal (NZ) a trainee student attending a shortened qualifying course

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

pressure cooker

hermetically sealed pot which produces steam heat to cook food quickly. The pressure cooker first appeared in 1679 as Papin's Digester, named for its inventor, the French-born physicist Denis Papin. The cooker heats water to produce very hot steam which forces the temperature inside the pot as high as 266 F (130 C), significantly higher than the maximum heat possible in an ordinary saucepan. The higher temperature of a pressure cooker penetrates food quickly, reducing cooking time without diminishing vitamin and mineral content.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Everybody knows that academia is a pressure cooker, but that excuse only goes
  so far.
Reduce your kitchen time further by bringing a crockpot or pressure cooker with
  you.
The confined, barren stage space of that tacky motel room has the effect of a
  pressure cooker.
No ordinary pressure cooker can achieve such compression.
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