square root
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词形变化
square roots
复数
square roots
别名
sqr
sqrt
释义与例句
n.
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1.
The number which, when squared, yields another number.
数学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.
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2.
The positive number which, when squared, yields another number: the principal square root.
数学The square root of 4 is 2. No negative real square roots exist. Negative numbers have no real square roots.