| apartment building |
a building containing a number of individual apartments; apartment house. |
| apartment house |
a building containing a number of individual apartments; apartment building. |
| apt. |
abbreviation of "apartment," a room or set of rooms used as living space by a single household and usu. located in a building containing a number of such rooms or sets of rooms. |
| arbitrage |
the purchase of a large number of shares in a corporation in anticipation of the profit that will result from a merger or takeover. [1/3 definitions] |
| arbovirus |
any of a number of viruses that are transmitted by certain blood-sucking arthropods such as mosquitoes and ticks and that may cause encephalitis, yellow fever, or dengue fever. |
| area code |
the digits at the beginning of a telephone number that signify one of a country's telephone districts. [1/2 definitions] |
| arithmetic mean |
the sum of a series of quantities divided by the number of quantities; average. |
| arithmetic progression |
a sequence of numbers that results from adding a constant number, such as 4, to each previous number, and thus obtaining a series such as 6, 10, 14, 18, 22, 26. |
| army |
a great number of people or things. [1/3 definitions] |
| atomicity |
the number of atoms in a molecule. [1/2 definitions] |
| atomic number |
the number of protons or positive electrical charges in the nucleus of one atom of a given element. [1/2 definitions] |
| attendance |
the number of persons present. [1/2 definitions] |
| augmentation |
the quantity or number by which something is augmented. [1/2 definitions] |
| average |
the arithmetic mean gained by adding two or more quantities and then dividing by the total number of quantities. [2/9 definitions] |
| avg. |
abbreviation of "average," the arithmetic mean gained by adding two or more quantities and then dividing by the total number of quantities. |
| ballot |
the total number of votes cast in an election or in a round of votes. [1/6 definitions] |
| barrage balloon |
one of a number of anchored balloons from which wires or nets are suspended to discourage low-flying enemy aircraft from attacking military installations or cities. |
| batch |
a quantity of something or a number of like items handled or considered as a group or whole. [1/2 definitions] |
| batting average |
a measure of a baseball player's batting ability computed by dividing the total number of base hits by the number of official times at bat. [1/2 definitions] |
| bedspring |
any of a number of springs closely confined in a frame and set in a bedstead to support a mattress. |
| below |
lower than, in rank, value, or number. [1/6 definitions] |