| CWRS | Case Western Reserve University |
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| AC | abdominal circumference; abdominal compression; absorption coefficient; abuse case; acetate; acetylc... |
| CCC | care-cure coordination; cathodal closure contraction; chronic calculous cholecystitis; chronic catar... |
| CF | calcaneal fibular [ligament]; calcium leucovorin; calf blood flow; calibration factor; cancer-free; ... |
| CFR | case-fatality ratio; citrovorum-factor rescue; Code of Federal Regulations; complement-fixation reac... |
| differential thermometer | <instrument, physics> An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called the differential thermometer. Origin: Thermo- + -scope. Source: Websters Dictionary (01 Mar 1998) |
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| thermometer | <physics> An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompained by proportional changes in their volumes or dimensions. The thermometer usually consists of a glass tube of capillary bore, terminating in a bulb, and containing mercury or alcohol, which expanding or contracting according to the temperature to which it is exposed, indicates the degree of heat or cold by the amount of space occupied, as shown by the position of the top of the liquid column on a graduated scale. See Centigrade, Fahrenheit, and Reaumur. To reduce degrees Fahrenheit to degrees Centigrade, substract 32 deg and multiply by 5/9; to reduce degrees Centigrade to degrees Fahrenheit, multiply by 9/5 and add 32 deg . Air thermometer, Balance thermometer, etc. See Air, Balance, etc. Metallic thermometer, a form of thermometer indicating changes of temperature by the expansion or contraction of rods or strips of metal. Register thermometer, or Self-registering thermometer, a thermometer that registers the maximum and minimum of temperature occurring in the interval of time between two consecutive settings of the instrument. A common form contains a bit of steel wire to be pushed before the column and left at the point of maximum temperature, or a slide of enamel, which is drawn back by the liquid, and left within it at the point of minimum temperature. Origin: Thermal. Source: Websters Dictionary (01 Mar 1998) |