inspissation
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inspissation
[‚in·spi′sā·shən] (chemistry)
The process of thickening a liquid by evaporation.
(geochemistry)
Thickening of an oil deposit by evaporation or oxidation, resulting, for example, after long exposure in pitch or gum formation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.