1

root

play
noun, often attributive \ ˈrüt , ˈru̇t \

Definition of root

1 a :the usually underground part of a seed plant body that originates usually from the hypocotyl, functions as an organ of absorption, aeration, and food storage or as a means of anchorage and support, and differs from a stem especially in lacking nodes, buds, and leaves
b :any subterranean plant part (such as a true root or a bulb, tuber, rootstock, or other modified stem) especially when fleshy and edible
2 a :the part of a tooth within the socket; also :any of the processes into which this part is often divided — see tooth illustration
b :the enlarged basal part of a hair within the skin
c :the proximal end of a nerve
d :the part of an organ or physical structure by which it is attached to the body
  • the root of the tongue
3 a :something that is an origin or source (as of a condition or quality)
  • the love of money is the root of all evil
  • —1 Timothy 6:10 (King James Version)
b :one or more progenitors of a group of descendants usually used in plural
c :an underlying support :basis
d :the essential core :heart often used in the phrase at root
e :close relationship with an environment :tie usually used in plural
  • they put down roots in a farming community
4 a :a quantity taken an indicated number of times as an equal factor
  • 2 is a fourth root of 16
b :a number that reduces an equation to an identity when it is substituted for one variable
5 a :the lower part :base
b :the part by which an object is attached to something else
6 :the simple element inferred as the basis from which a word is derived by phonetic change or by extension (such as composition or the addition of an affix or inflectional ending)
7 :the lowest tone of a chord (such as C in a C minor chord) when the tones are arranged in ascending thirds
8 computers :a level of access to a computer system that allows complete access to files on the system and complete control over the system's functions usually used before another noun
  • root user
  • root directory

rooted

play \ˈrü-təd, ˈru̇-\ adjective

rootedness

noun

rootless

play \ˈrüt-ləs, ˈru̇t-\ adjective

rootlessness

noun

rootlike

play \-ˌlīk\ adjective

Examples of root in a Sentence

  1. Elm trees have shallow roots.

  2. Pull weeds up by the roots so that they don't grow back.

  3. You can tell that she dyes her hair blonde because her dark roots are showing.

Origin and Etymology of root

Middle English, from Old English rōt, from Old Norse; akin to Old English wyrt root, Latin radix, Greek rhiza

Synonym Discussion of root

origin, source, inception, root mean the point at which something begins its course or existence. origin applies to the things or persons from which something is ultimately derived and often to the causes operating before the thing itself comes into being.
    • an investigation into the origin of baseball
source applies more often to the point where something springs into being.
    • the source of the Nile
    • the source of recurrent trouble
inception stresses the beginning of something without implying causes.
    • the business has been a success since its inception
root suggests a first, ultimate, or fundamental source often not easily discerned.
    • the real root of the violence

Other Dentistry Terms


2

root

verb

Definition of root

transitive verb
1 a :to furnish with or enable to develop roots
b :to fix or implant by or as if by roots
2 :to remove altogether by or as if by pulling out by the roots usually used with out
  • root out dissenters
intransitive verb
1 :to grow roots or take root
2 :to have an origin or base

First Known Use of root

14th century


3

root

verb

Definition of root

intransitive verb
1 :to turn up or dig in the earth with the snout :grub
2 :to poke or dig about
transitive verb
:to turn over, dig up, or discover and bring to light usually used with out
  • root out the cause of the problem

Origin and Etymology of root

alteration of wroot, from Middle English wroten, from Old English wrōtan; akin to Old High German ruozzan to root


4

root

play
verb \ ˈrüt also ˈru̇t \

Definition of root

intransitive verb
1 :to noisily applaud or encourage a contestant or team :cheer
2 :to wish the success of or lend support to someone or something

rooter

noun

Origin and Etymology of root

perhaps alteration of 2rout


Root

play
biographical name \ ˈrüt , ˈru̇t \

Definition of Root

Elihu 1845–1937 American lawyer and statesman


ROOT Defined for English Language Learners

root

play
noun

Definition of root for English Language Learners

  • : the part of a plant that grows underground, gets water from the ground, and holds the plant in place

  • : the part of a tooth, hair, fingernail, etc., that is attached to the body

  • : the cause or source of something


ROOT Defined for Kids

1

root

play
noun \ ˈrüt , ˈru̇t \

Definition of root for Students

1 :the leafless underground part of a plant that absorbs water and minerals, stores food, and holds the plant in place
2 :the part of something by which it is attached
  • The tooth's root is anchored in bone.
3 :source 1
  • Money is the root of all evil.
4 :the ancestors of a person or group of people
5 :a special relationship
  • They have roots in the community.
6 :1core 3
  • We finally got to the root of the problem.
7 :a word or part of a word from which other words are obtained by adding a prefix or suffix
  • The word “hold” is the root of “holder.”

rooted

\ˈrü-təd, ˈru̇-\ adjective

2

root

verb

Definition of root for Students

rooted; rooting
1 :to form or cause to form roots
  • The seedlings rooted quickly.
2 :to attach by or as if by roots
  • He was rooted to his chair.
root out
:to remove by or as if by pulling out the roots
  • The mayor promised to root out crime.

3

root

verb

Definition of root for Students

rooted; rooting
:to turn up or dig with or as if with the snout
  • She rooted in her desk for a pen.

4

root

play
verb \ ˈrüt \

Definition of root for Students

rooted; rooting
:to wish for the success of
  • We're rooting for the underdog.

rooter

noun

Medical Dictionary

root

play
noun \ ˈrüt , ˈru̇t \

medical Definition of root

1 a :the usually underground part of a seed plant body that functions as an organ of absorption, aeration, and food storage or as a means of anchorage and support and that differs from a stem especially in lacking nodes, buds, and leaves
b :any subterranean plant part (as a true root or a bulb, tuber, rootstock, or other modified stem) especially when fleshy and edible
2 a (1) :the part of a tooth within the socket
(2) :any of the processes into which the root of a tooth is often divided
b :the enlarged basal part of a hair within the skin called also hair root
c :the proximal end of a nerve; especially :one or more bundles of nerve fibers joining the cranial and spinal nerves with their respective nuclei and columns of gray matter — see dorsal root, ventral root
d :the part of an organ or physical structure by which it is attached to the body
  • the root of the tongue

rootless

play \-ləs\ adjective

Illustration of root


Law Dictionary

root

play
noun \ ˈrüt, ˈru̇t \

legal Definition of root

in the civil law of Louisiana :descendant
by roots


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