definition
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.
example
This tree's roots can go as deep as twenty metres underground.
definition
A root vegetable.
definition
The part of a tooth extending into the bone holding the tooth in place.
example
Root damage is a common problem of overbrushing.
definition
The part of a hair under the skin that holds the hair in place.
example
The root is the only part of the hair that is alive.
definition
The part of a hair near the skin that has not been dyed, permed, or otherwise treated.
example
He dyed his hair black last month, so the grey roots can be seen.
definition
The primary source; origin.
example
The love of money is the root of all evil.
synonyms
definition
Of a number or expression, a number which, when raised to a specified power, yields the specified number or expression.
example
The cube root of 27 is 3.
definition
A square root (understood if no power is specified; in which case, “the root of” is often abbreviated to “root”).
example
Multiply by root 2.
definition
A zero (of an equation).
synonyms
definition
The single node of a tree that has no parent.
definition
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.
definition
(philology) A word from which another word or words are derived.
synonyms
definition
The fundamental tone of any chord; the tone from whose harmonics, or overtones, a chord is composed.
definition
The lowest place, position, or part.
definition
In UNIX terminology, the first user account with complete access to the operating system and its configuration, found at the root of the directory structure; the person who manages accounts on a UNIX system.
example
I have to log in as root before I do that.
synonyms
definition
The highest directory of a directory structure which may contain both files and subdirectories.
example
I installed the files in the root directory.
definition
A penis, especially the base of a penis.