Meaning of the word "surface area" in English

What does "surface area" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

surface area

US /ˈsɝː.fəs ˌer.i.ə/
UK /ˈsɜː.fɪs ˌeə.ri.ə/
"surface area" picture

Noun

the total area of the outside surfaces of a three-dimensional object

Example:
To calculate the surface area of a cube, you multiply the area of one face by six.
The lungs have a large surface area to facilitate gas exchange.