| astronomical unit |
a unit of length based on the average distance of the earth from the sun, equal to about 149.6 million kilometers or ninety-three million miles. |
| atomic mass unit |
a unit equal to one twelfth of the mass of an atom of the most abundant kind of carbon, equal to 1.6605 times 1024 gram. |
| 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) |
| central processing unit |
in computing, the part of a computer that interprets program commands and executes its instructions. |
| stock keeping unit |
a number that is given to a specific product in a store. The number is on a small label on the product. People use stock keeping units to keep track of inventory. |
| system unit |
the main part of a computer, which houses its essential components. |
| unit cell |
the smallest structural unit of a crystal. |
| unit character |
a characteristic or trait determined by one gene or a gene pair. |
| unit fraction |
a fraction having 1 as the numerator, such as 1/3 and 1/x. |
| unit of measurement |
a specific quantity regarded as a standard to which other quantities are compared; unit. |
| unit pricing |
the pricing of consumer goods on the basis of cost per unit of measure, such ascents per ounce. |