Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: square kilometer
Usage: US (elsewhere: square kilometre)
  1. A decimal multiple of the unit of surface area, the square metre, equal to 1,000,000 square meters
    "The national park covers an area of 500 square kilometers";
    - square kilometre [Brit, Cdn]

Derived forms: square kilometers

Type of: area unit, square measure

Encyclopedia: Square kilometer