## Babylon English

physical size of a 2-dimensional surface contained within a border, area (e.g.: The room was about 10 square meters in area")

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physical size of a 2-dimensional surface contained within a border, area (e.g.: The room was about 10 square meters in area")

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Glossary of liquid chromatographic terms

In an adsorbent, refers to the total area of the solid surface as determined by an accepted measurement technique such as the BET method using nitrogen adsorption. The surface area of a typical porous adsorbent such as silica gel can vary from 100 to 600 m2/g.

Wikipedia English - The Free Encyclopedia

The **surface area** of a solid object is a measure of the total area that the surface of an object occupies. The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the definition of arc length of one-dimensional curves, or of the surface area for polyhedra (i.e., objects with flat polygonal faces), for which the surface area is the sum of the areas of its faces. Smooth surfaces, such as a sphere, are assigned surface area using their representation as parametric surfaces. This definition of surface area is based on methods of infinitesimal calculus and involves partial derivatives and double integration.

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WordNet 2.0

1. the extent of a 2-dimensional surface enclosed within a boundary; "the area of a rectangle"; "it was about 500 square feet in area"

(synonym) area, expanse

(hypernym) extent

(hyponym) acreage, land area

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