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Definition root in British English

root noun

noun
/ruːt/
1

the part of a plant that grows under the ground, through which the plant gets water and food

Example

Olive trees have deep roots.

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2

the part of a hair, tooth, or nail that is under your skin

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3

the origins or background of something

Example

What are the historical roots of the region's problems?

Example

The Association has its roots in the early 1950s.

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3.1

the place, culture, or family that someone comes from originally

Example

Computerizing these old records will help people trace their roots.

Example

With this latest book the author goes back to his Scottish roots.

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4

a basic cause or idea

Example

an unusual film with an ingenious idea at its root

Example

We need to get to the root of the problem.

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5

the root of a number is another number that, when multiplied by itself a particular number of times, equals that number. For example, 3 is the square root of 9 and the cube root of 27.

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6

the most basic form of a word, or a word that is the base for other words

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7

the note that forms the base of a chord in music

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A b bass
8

the end of a nerve that is closest to the centre of your body

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Definition root in British English