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To calculate the area of a rectangle, multiply the length by the width. The area of this rectangle is 50 square feet.


1. A roughly bounded part of the space on a surface; a region: a farming area; the New York area.
2. A surface, especially an open, unoccupied piece of ground: a landing area; a playing area.
3. A distinct part or section, as of a building, set aside for a specific function: a storage area in the basement.
4. A division of experience, activity, or knowledge; a field: studies in the area of finance; a job in the health-care area.
5. An open, sunken space next to a building; an areaway.
6. Abbr. A The extent of a planar region or of the surface of a solid measured in square units.

[Latin ārea, open space; possibly akin to ārēre, to be dry; see arid.]

ar′e·al adj.
ar′e·al·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


from an areal point of view
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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As evidence shows, the possessor in such constructions may be dative-marked, locative-marked, or adessive-marked, which is claimed to be areally specified (Haspelmath 1999 : 11-13).
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For superposition, the grid generated for the subsurface domain is mirrored areally for the surface flow nodes, with surface flow node elevations corresponding to the top elevation of the topmost active layer of the subsurface grid.
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