square root

Definition

The number which, when squared, yields another number.

Example Sentences

• "Near-synonym: √"
• "The square roots of 4 are 2 and −2, the square root of 0 is 0, and the square roots of −4 are 2i and −2i."
• "In √a̅+̅b̅, the horizontal bar or vinculum is actually a parenthesis that groups a+b. Without it, √a+b might mean b+√a̅ or it might mean √a̅+̅b̅. Nevertheless, the square-root sign without the vinculum is often used[…]."