root
noun
/ɹuːt/
,
/ɹʊt/
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- The part of a plant, generally underground, that anchors and supports the plant body, absorbs and stores water and nutrients, and in some plants is able to perform vegetative reproduction.
- The part of a tooth extending into the bone holding the tooth in place.
- The part of a hair under the skin that holds the hair in place.
- (figurative) The primary source; origin.
- (arithmetic) Of a number or expression, a number which, when raised to a specified power, yields the specified number or expression.
- (analysis) A zero (of an equation).
- (graph theory, computing) The single node of a tree that has no parent.
- (linguistic morphology) The primary lexical unit of a word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents. Inflectional stems often derive from roots.
- (philology) A word from which another word or words are derived.
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akar
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