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| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a scrap or morsel of food left at a meal. |
| 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 |
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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