Based on the Random House Dictionary, © Random House, Inc. 2012.
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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
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sublimation
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sublimation sub·li·ma·tion (sŭb'lə-mā'shən)
n.
The act or process of sublimating.
Something that has been sublimated.
An unconscious defense mechanism in which unacceptable instinctual drives and wishes are modified into more personally and socially acceptable channels.
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sublimation  (sŭb'lə-mā'shən) Pronunciation Key
The process of changing from a solid to a gas without passing through an intermediate liquid phase. carbon dioxide, at a pressure of one atmosphere, sublimates at about -78 degrees Celsius. Ice and snow on the Earth's surface also sublimate at temperatures below the freezing point of water. Compare deposition. |
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In Freudian psychology, a defense mechanism by which the individual satisfies a socially prohibited instinctive drive (usually sexual or aggressive) through the substitution of socially acceptable behavior. For example, someone with strong sexual drives who paints nude portraits may be engaging in sublimation.
In chemistry, the direct conversion of a solid into a gas, without passage through a liquid stage. (See phases of matter.)
Copyright © 2005 by Houghton Mifflin Company.
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