Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “root”

root

noun [C] (IN MATHEMATICS)    /ruːt/
specialized mathematics a solution of some equations (= mathematical statements)Calculations and calculatingAddition, subtraction, multiplication and division specialized A root of a particular number is another number that, when multiplied by itself one or more times, reaches that number: The square root of 64 is 8, and the cube root of 64 is 4.Terms for numbers
(Definition of root noun (IN MATHEMATICS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of root

Definitions of “root” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More