Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “root”

See all translations

root

noun  /rut, rʊt/ us  

root noun (PLANT PART)

[C] biology the part of a plant which grows down into the earth [C] biology The root of a hair, tooth, or nail is the part of it that is inside the body.

root noun (ORIGIN)

[C] the origin or source of something: We must get to the root of this problem.

root noun (WORD)

[C] the basic form of a word, to which prefixes or endings can be added: The root of the word "sitting" is "sit."

root noun (number)

algebra a number that is the solution of an equation (= mathematical statement)
rooted
adjective [not gradable]  /ˈrut̬·əd, ˈrʊt̬-/ us  
deeply rooted loyalty

root

verb [I/T]  /rut, rʊt/ us  

root verb [I/T] (PLANT PART)

(of a plant) to develop roots and begin to grow
Translations of “root”
in Korean 뿌리…
in Arabic جِذْر…
in French racine, origine, racines…
in Turkish kök, çil, saç/diş kökü…
in Italian radice…
in Chinese (Traditional) 植物的一部分, 根,根莖,根塊…
in Russian корень…
in Polish korzeń, cebulka…
in Spanish raíz, origen, raíces…
in Portuguese raiz…
in German die Wurzel, der Ursprung…
in Catalan arrel…
in Japanese (植物の)根…
in Chinese (Simplified) 植物的一部分, 根,根茎,根块…
(Definition of root from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of root?
Add Cambridge dictionaries to your browser to your website

Definitions of “root” in other dictionaries

Word of the Day

ice over

If an area of water ices over, it becomes covered with a layer of ice.

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More