squared
adj. B2 Upper Intermediate US //ˈskwɛɹd// UK //skwˈeəd// squared
adj. multiplied by itself. You use this when talking about the area of a shape or a number times itself.
adj. multiplied by the same number or quantity. Often follows the noun it modifies in mathematical expressions.
Three squared equals nine.
The room measures five meters squared, which provides enough space for a small office.
In Einstein's famous equation, energy equals mass times the speed of light squared, demonstrating the profound relationship between matter and energy.
Usage
Typically placed immediately after the number or unit it modifies.
Pitfall
three square is ninethree squared is nineWhen used to mean 'multiplied by itself', the past participle form 'squared' is required, not the base noun 'square'.