Dictionary

1root

noun, often attributive \ˈrüt, ˈrt\

: 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

Full 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 (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(Authorized 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 (as composition or the addition of an affix or inflectional ending)
7
:  the lowest tone of a chord (as C in a C minor chord) when the tones are arranged in ascending thirds
root·ed \ˈrü-təd, ˈr-\ adjective
root·ed·ness noun
root·less \ˈrüt-ləs, ˈrt-\ adjective
root·less·ness noun
root·like \-ˌlīk\ adjective

Examples of ROOT

  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 of ROOT

Middle English, from Old English rōt, from Old Norse; akin to Old English wyrt root, Latin radix, Greek rhiza
First Known Use: 12th century

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

bridge, crown, tush

2root

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

3root

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 of ROOT

alteration of wroot, from Middle English wroten, from Old English wrōtan; akin to Old High German ruozzan to root
First Known Use: 1532

4root

verb \ˈrüt also ˈrt\

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
root·er noun

Origin of ROOT

perhaps alteration of 2rout
First Known Use: 1889

Root

biographical name \ˈrüt, ˈrt\

Definition of ROOT

Elihu 1845–1937 Am. lawyer & statesman

Rhymes with ROOT

ROOTED Defined for Kids

1root

noun \ˈrüt, ˈrt\

Definition of ROOT for Kids

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.”>
root·ed \ˈrü-təd, ˈr-\ adjective

2root

verb
root·edroot·ing

Definition of ROOT for Kids

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.>

3root

verb
rootedrooting

Definition of ROOT for Kids

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

4root

verb \ˈrüt\
rootedrooting

Definition of ROOT for Kids

:  to wish for the success of <We're rooting for the underdog.>
root·er noun
Medical Dictionary

root

noun \ˈrüt, ˈrt\

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>
root·less \-ləs\ adjective

Illustration of ROOT

July 07, 2015
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