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单词 square root
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈsquare ˈroot, n. [countable]
  1. Mathematicsa number of which a given number is the square:The quantities +6 and -6 are square roots of 36 since (+6)×(+6)=36 and (-6)×(-6)=36.

WordReference Random House Unabridged Dictionary of American English © 2024
square′ root′, 
  1. Mathematicsa quantity of which a given quantity is the square:The quantities +6 and -6 are square roots of 36 since (+6)×(+6)=36 and (-6)×(-6)=36.
  • 1550–60

Collins Concise English Dictionary © HarperCollins Publishers::
square root n
  1. a number or quantity that when multiplied by itself gives a given number or quantity: 2 is a square root of 4, usually written √4 or 41/2
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