surface area

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the extent of a 2-dimensional surface enclosed within a boundary (Freq. 2)
- the area of a rectangle
- it was about 500 square feet in area
• Syn:
area, expanse
• Derivationally related forms:
areal (for: area)
• Hypernyms:
extent
• Hyponyms:
acreage, land area, footprint, erasure, space,
blank space, place, balk, baulk, section, plane section