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BNC: 1992 COCA: 1734

root

1 root /ˈruːt/ noun
plural roots
1 root
/ˈruːt/
noun
plural roots
Learner's definition of ROOT
[count] : the part of a plant that grows underground, gets water from the ground, and holds the plant in place根;根茎
see color picture on this page
[count] : the part of a tooth, hair, fingernail, etc., that is attached to the body(牙齿、毛发、指甲等的)根,根部
[count]
: the cause or source of something起因;根源usually singular通常用单数
: the origin of something起源usually plural通常用复数
roots [plural]
: the family history of a person or a group of people家族历史;祖先
: a special connection to something与…的特殊关联+ in
see also grass roots
[count] mathematics : a number that is multiplied by itself a certain number of times to produce another number方根;根
see also cube root, square root
[count] : a word from which other words are formed词根

put down roots

: to become a member of a community and begin to feel that it is your home : to settle and live in one place定居

root and branch

chiefly British
: complete or thorough完全的;彻底的
: completely or thoroughly完全地;彻底地

take root

of a plant : to grow and develop roots生根
: to begin to develop开始发展
2 root /ˈruːt/ verb
roots; rooted; rooting
2 root
/ˈruːt/
verb
roots; rooted; rooting
Learner's definition of ROOT
of a plant
[no object] : to grow and develop roots长出根;生根
[+ object] : to make (a plant) grow and develop roots使生根
[+ object] : to make (someone) unable to move使(某人)无法移动
usually used as (be) rooted通常用作(be) rooted

root in

[phrasal verb]
root (something) in (something)
: to form, make, or develop (something) by using (something) as a basis由…产生;来源于;以…为基础
usually used as (be) rooted in通常用作(be) rooted
compare 3root, 4root
3 root /ˈruːt/ verb
roots; rooted; rooting
3 root
/ˈruːt/
verb
roots; rooted; rooting
Learner's definition of ROOT
[no object]
always followed by an adverb or preposition : to search for something by moving around or by turning things over翻找;搜寻
of animals : to look for food under the ground by digging with the nose : grub(动物)用鼻拱土觅食

root out

[phrasal verb]
root (something or someone) out or root out (something or someone)
: to find and remove (something or someone)找到并去除(某人或物);根除
: to find (something or someone) after searching for a long time终于找到
compare 2root, 4root
4 root /ˈruːt/ verb
roots; rooted; rooting
4 root
/ˈruːt/
verb
roots; rooted; rooting
Learner's definition of ROOT

root for

[phrasal verb]
root for (someone or something)
: to express or show support for (a person, a team, etc.)给…助威;给…加油
: to hope for the success of (someone or something)希望…取得成功

root on

[phrasal verb]
root (someone or something) on US
: to help (someone or something) to win or succeed by expressing or showing strong support为…欢呼喝彩
compare 2root, 3root

— rooter

/ˈruːtɚ/ noun, plural rooters [count]
BNC: 1992 COCA: 1734

root

1 of 4

noun

plural roots
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
especially : the initial segment of a spinal nerve where it branches from the spinal cord : nerve root see also 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
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 userroot directory
rooted
ˈrü-təd How to pronounce root (audio)
ˈru̇-
adjective
rootedness noun
rootless
ˈrüt-ləs How to pronounce root (audio)
ˈru̇t-
adjective
rootlessness noun
rootlike
ˈrüt-ˌlīk How to pronounce root (audio)
ˈru̇t-
adjective

see also take root

root

2 of 4

verb (1)

rooted; rooting; roots

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

root

3 of 4

verb (2)

rooted; rooting; roots

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

root

4 of 4

verb (3)

rooted; rooting; roots

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
Choose the Right Synonym for 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

Example Sentences

Noun Elm trees have shallow roots. Pull weeds up by the roots so that they don't grow back. You can tell that she dyes her hair blonde because her dark roots are showing.

Word History

Etymology

Noun

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

Verb (2)

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

Verb (3)

perhaps alteration of rout entry 5

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1b

Verb (1)

14th century, in the meaning defined at intransitive sense

Verb (2)

1516, in the meaning defined at intransitive sense 1

Verb (3)

1889, in the meaning defined at sense 1

Time Traveler
The first known use of root was before the 12th century
BNC: 1992 COCA: 1734
root

noun¹

1of a plant植物ADJECTIVE | VERB + ROOT | ROOT + VERB | ROOT + NOUN | PREPOSITION ADJECTIVEdeep, shallow深的根;淺的根gnarled多節瘤的根plant, tree植物的根;樹根VERB + ROOTdevelop, grow發育/長出根部put down, take生根;長出根來I hope those cuttings will take root.我希望那些插枝能生根。plant插根ROOT + VERBgrow根部生長ROOT + NOUNsystem根系ball根團crops, vegetables根用作物;塊根蔬菜growth根系生長PREPOSITIONby its/the roots連根She pulled the shrub out by its roots.她把灌木連根拔起。
root

noun²

2roots place where you feel you belong歸屬地ADJECTIVE | VERB + ROOTS ADJECTIVEhumble卑微的出身Despite his wealth, he never forgot his humble roots.儘管很有錢,他卻從沒忘記自己卑微的出身。strong強有力的根基cultural文化根基severed from our cultural roots by industrialization工業化把我們與文化根基斷開working-class工薪階層出身African, French, Scottish, etc.祖籍非洲/法國/蘇格蘭等VERB + ROOTSget back to, go back to, return to找到根;返回祖籍地My husband wants to go back to his Irish roots.我丈夫想返回原籍愛爾蘭。trace追溯祖籍They can trace their roots back to the 16th century.他們的祖籍可以追溯到 16 世紀。put down扎根We haven't been here long enough to put down roots.我們在這兒還沒多久,還未落地生根。be cut off from, forget與出身脫離;忘記出身
root

noun³

3cause/source原因;來源ADJECTIVE | VERB + ROOT | ROOT + VERB | ROOT + NOUN | PREPOSITION | PHRASES ADJECTIVEdeep, strong很深的根源very真正的根源common, same共同的/同一個根源The two languages share a common root.這兩種語言同源。historical歷史根源VERB + ROOThave有根源explore, find, get at, get to, go to探索根源;找到根源;探本溯源I've spent months trying to get to the root of the problem.我已經花了好幾個月的時間尋找問題的根源。ROOT + VERBbe planted in sth根植於⋯中Jazz's roots are firmly planted in African tradition.爵士樂深深根植於非洲傳統。lie at原因在於go back起源回溯到⋯The company's roots go back to the 18th century.公司的起源可以回溯到 18 世紀。ROOT + NOUNcause根本原因PREPOSITIONat (the root of)從根本上It is a moral question at root.從根本上說這是個道德問題。His fears of loneliness lay at the very root of his inability to leave.他無法離開的根本原因就在於他害怕寂寞。root in根源在⋯中The unrest has roots in religious differences.動盪的根源是宗教分歧。PHRASESthe root of all evil萬惡之源They consider globalization to be the root of all evil.他們認為全球化是萬惡之源。the root of the matter, the root of the problem事情/問題的根源I expect money is at the root of the matter.我認為錢的問題是此事的根源。

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