| absolute temperature |
temperature measured on a scale in which zero equals the lowest temperature that can be obtained physically. |
| absolute zero |
the lowest possible temperature for any known substance, equal to -273.15 degrees Celsius or -459.67 degrees Fahrenheit. |
| air curtain |
a draft of compressed air blown continuously across a doorway, usu. downward, to act as a door in maintaining interior temperature. |
| air mass |
a body of air that covers a wide area and has little horizontal variation in temperature, pressure, or moisture. |
| bake |
to cook using dry heat at a medium oven temperature. Things such as bread, cookies, and pies are baked. [1/3 definitions] |
| boil1 |
of a liquid, to produce bubbles of water vapor when heated to a high enough temperature. [1/5 definitions] |
| boiling point |
the temperature at which a liquid starts to boil. [1/2 definitions] |
| 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) |
| broil1 |
to cook at high temperature with heat coming from one direction, as on a grill or in an oven. [1/6 definitions] |
| Btu |
abbreviation of "British thermal unit" or "British thermal units," 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. |
| C1 |
abbreviation of "Celsius," or "Centigrade," of, pertaining to, or designating a temperature scale on which zero degrees is the freezing point and one hundred degrees is the boiling point of water. |
| Cal.1 |
abbreviation of "large calorie," or "large calories"; the amount of energy needed to raise the temperature of one kilogram of water one degree Celsius. |
| cal.2 |
abbreviation of "small calorie," or "small calories," a unit of heat equal to the amount necessary to raise the temperature of one gram of water one degree Celsius, also known as "gram calorie." |
| calorie |
a unit of heat equal to the amount necessary to raise the temperature of one gram of water one degree Celsius; gram calorie; small calorie. (abbr.: cal.) [2/3 definitions] |
| candela |
the basic unit of intensity of light, equal to one sixtieth of the intensity of one square centimeter of a radiating body at the temperature of solidification of platinum; new candle. |
| Celsius |
relating to a temperature scale on which water freezes at zero degrees and boils at one hundred degrees; centigrade. (abbreviated: C) |
| ceramic |
(pl.) the art or method of making ceramic objects or materials using a high-temperature kiln. [1/3 definitions] |
| cesium |
a highly reactive chemical element of the alkali metal group that has fifty-five protons in each nucleus and that occurs in pure form as a soft, silvery metal melting to a heavy liquid just above room temperature. (symbol: Cs) [1/2 definitions] |
| chill |
a feeling of cold and shaking in the body caused by a low temperature. [1/3 definitions] |
| climate change |
a major change in Earth's climate that is of current concern and which is associated with an increase in carbon dioxide and certain other gases in Earth's atmosphere. These gases contribute to the increasing temperature of the planet. [1/2 definitions] |
| climate-controlled |
having or providing artificial control of temperature and humidity. |