Definition of coefficient of expansion Coefficient of expansion
We found 2 definitions of coefficient of expansion from 2 different sources.
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What does coefficient of expansion mean?
WordNet
Noun |
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| coefficient of expansion - the fractional change in length or area or volume per unit change in temperature at a given constant pressure | ||
| expansivity | ||
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Electrical DictionaryThe Standard Electrical Dictionary 💡
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coefficient of expansion
The number expressing the proportional increase in size, either length, area or volume, of a substance under the influence generally of heat. There are three sets of coefficients, (1) of linear expansion, (2) of superficial expansion, (3) of cubic expansion or expansion of volume. The first and third are the only ones much used. They vary for different substances, and for the same substance at different temperatures. They are usually expressed as decimals indicating the mixed number referred to the length or volume of the body at the freezing point as unity.
