Definition, Meaning & Synonyms

surface-area

Noun

/ˈsɜːr.fɪs ˈɛr.iə/

Definition

The total area of the surface of a three-dimensional object.

Examples

The surface area of a cube can be calculated by finding the area of all six square faces.
In biology, the surface area of cells is crucial for the absorption of nutrients.
When designing a tank, engineers must consider the surface area to ensure proper ventilation.

Meaning

Surface area refers to the amount of exposed area on an object. It is important in various fields such as geometry, physics, and engineering, particularly when discussing concepts like heat transfer, material efficiency, and construction.