| 11th Amendment |
an amendment to the U.S. Constitution that guarantees a level of sovereign immunity to states by forbidding federal courts from ruling on cases brought against a state by a citizen of another state. |
| 22nd Amendment |
an amendment to the U.S. Constitution that ensures that no person can be elected to more than two four-year terms as President of the United States. The 22nd Amendment, ratified in 1951, was passed in reaction to President Franklin D. Roosevelt's four terms in office. |
| 3-D |
of, concerning, or portraying something in, or as if in, three dimensions. [2 definitions] |
| 4WD |
abbreviation of "four-wheel drive," a car that drives by means of all four wheels rather than the rear wheels only, or the drive system of such, in which both front and rear wheel axles are turned by the drive shaft. |
| A1 |
abbreviation of "answer." |
| A2 |
abbreviation of "ampere" or "amperes," a unit of electrical current that refers to the quantity of current that passes through a resistor of one ohm when a potential of one volt is applied, equal to one coulomb per second. |
| A3 |
abbreviation of "angstrom" or "angstroms," a unit of length equal to one hundred-millionth of a centimeter, used in measuring light waves. |
| a1 |
the first letter of the English alphabet. [6 definitions] |
| a2 |
any one of a group or kind. [3 definitions] |
| a3 |
in every or in each; for every or for each. |
| a.1 |
abbreviation of "acre" or "acres," a unit of area equal to 43,560 square feet or 4,047 square meters, used in measuring land. |
| a.2 |
abbreviation of "acceleration." |
| a-1 |
on; at; into; to. |
| a-2 |
used as an intensifier. [3 definitions] |
| AA |
abbreviation of "Alcoholics Anonymous," a world-wide recovery program for alcoholics, administered through chapters. |
| A.A. |
abbreviation of "Associate in Arts," an undergraduate degree conferred on a person who has completed a curriculum in the liberal arts. |
| AAA |
abbreviation of "American Automobile Association," an association that provides travel-related discounts and services to its members. |
| A and M |
abbreviation of "Agricultural and Mechanical." |
| aardvark |
a nocturnal mammal of southern Africa that has a long snout, long ears, and powerful claws for digging, and that feeds on ants using its extensile tongue. |
| aardwolf |
a striped, nocturnal African mammal of the hyena family that feeds primarily on insects. |
| Aaron |
according to the Old Testament, the older brother of Moses and the first high priest of the Hebrew nation. |