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Multi-word Results
| British thermal unit |
a unit of heat equal to the amount needed to raise the temperature of one pound of water one degree Fahrenheit, or equal to about 252 calories. (abbr.: Btu) |
| thermal barrier |
the maximum flight speed of a given supersonic aircraft in the atmosphere that is set by aerodynamic heating effects. |
| thermal pollution |
the releasing of large quantities of heated air or water that disrupt the local ecological balance. |
| thermal spring |
a spring with water that is of a higher temperature than the mean annual temperature of the spring's locale. |
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