| 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. |
| aboriginal |
native to an area; indigenous. [1/3 definitions] |
| aborigine |
an original or first inhabitant of an area, esp. a member of a tribe native to Australia. [1/2 definitions] |
| about |
in the immediate area of. [2/12 definitions] |
| abscess |
a collection of pus in body tissue, usu. surrounded by an inflamed area. [1/2 definitions] |
| acre |
a unit of area equal to 43,560 square feet or 4,047 square meters, used in measuring land. [1/2 definitions] |
| acreage |
an area or areas of land measured in acres; acres collectively. [1/2 definitions] |
| afforest |
to plant (a forest) in an area with few or no existing trees. |
| afforestation |
the process of planting a forest in an area that has not been forest before. |
| air mass |
a body of air that covers a wide area and has little horizontal variation in temperature, pressure, or moisture. |
| airport |
a large area of level land where airplanes can land and take off, usu. including a passenger terminal and cargo and repair facilities. |
| air shaft |
a narrow vertical passage through which fresh air can reach an otherwise enclosed area such as the interior of a building; ventilating shaft. |
| airspace |
the space extending above a particular land area, esp. that of a political entity. [1/2 definitions] |
| alley1 |
a narrow lane giving access to the area behind a row of houses. [1/5 definitions] |
| altarpiece |
a work of art that decorates the area above and behind an altar. |
| altitude |
(usu. pl.) a high region or area. [1/4 definitions] |
| amateur |
one who is unskilled in a given area or activity. [1/5 definitions] |
| amphitheater |
an arena or stadium consisting of tiers of seats rising outward from an open central area, used for performances, contests, and the like. [1/2 definitions] |
| analytical chemistry |
an area of chemistry dealing with determining and identifying the types or quantities of compounds and mixtures, or their proportions, in a specific substance. |
| anesthetic |
a drug that causes anesthesia in the whole body or in a localized area. [1/2 definitions] |
| annulus |
a ring-shaped part, structure, or area. |