› mathematics of a particular number, a number that is squared (= multiplied by itself) to produce that particular number: the square root of 25 is 5

(Definition of square root from the Cambridge Academic Content Dictionary
© Cambridge University Press)

What is the pronunciation of square root?
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November 19, 2014

As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.