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1

root

play
noun \ˈrüt, ˈru̇t\

Simple Definition of root

  • : 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. 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. 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. 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. 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. 5 a :  the lower part :  base b :  the part by which an object is attached to something else

  6. 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. 7 :  the lowest tone of a chord (as C in a C minor chord) when the tones are arranged in ascending thirds

root·ed play \ˈrü-təd, ˈru̇-\ adjective
root·ed·ness noun
root·less play \ˈrüt-ləs, ˈru̇t-\ adjective
root·less·ness noun
root·like play \-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


2

root

verb

Definition of root

  1. transitive verb
  2. 1 a :  to furnish with or enable to develop roots b :  to fix or implant by or as if by roots

  3. 2 :  to remove altogether by or as if by pulling out by the roots —usually used with out <root out dissenters>

  4. intransitive verb
  5. 1 :  to grow roots or take root

  6. 2 :  to have an origin or base



14th Century

First Known Use of root

14th century


3

root

verb

Definition of root

  1. intransitive verb
  2. 1 :  to turn up or dig in the earth with the snout :  grub

  3. 2 :  to poke or dig about

  4. transitive verb
  5. :  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


4

root

play
verb \ˈrüt also ˈru̇t\

Definition of root

  1. intransitive verb
  2. 1 :  to noisily applaud or encourage a contestant or team :  cheer

  3. 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

play
biographical name \ˈrüt, ˈru̇t\

Definition of Root

  1. Elihu 1845–1937 Am. lawyer & statesman



Rhymes with root


Medical Dictionary

noun \ˈrüt, ˈru̇t\

Medical Definition of root

  1. 1a:  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 leavesb:  any subterranean plant part (as a true root or a bulb, tuber, rootstock, or other modified stem) especially when fleshy and edible

  2. 2a:  the part of a tooth within the socket:  any of the processes into which the root of a tooth is often dividedb:  the enlarged basal part of a hair within the skin—called also hair rootc:  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 rootd:  the part of an organ or physical structure by which it is attached to the body <the root of the tongue>

  3. root·less \-ləs\play adjective



Illustration of root




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