Tra từ root - Từ điển Oxford Advanced Learner 8th

root [root roots rooted rooting] noun, verb BrE [ruːt] NAmE [ruːt]
noun

OF PLANT
1. countable the part of a plant that grows under the ground and absorbs water and minerals that it sends to the rest of the plant
•deep spreading roots
• I pulled the plant up by (= including) the roots.
• Tree roots can cause damage to buildings.
•root crops/vegetables (= plants whose roots you can eat, such as carrots)
see also ↑grass roots, ↑taproot

OF HAIR/TOOTH/NAIL
2. countable the part of a hair, tooth, nail or tongue that attaches it to the rest of the body
•hair that is blonde at the ends and dark at the roots

MAIN CAUSE OF PROBLEM
3. countable, usually singular the main cause of sth, such as a problem or difficult situation
• Money, or love of money, is said to be the root of all evil.
• We have to get to the root of the problem.
•What lies at the root of his troubles is a sense of insecurity.
•What would you say was the root cause of the problem?

ORIGIN
4. countable, usually plural the origin or basis of sth
• Flamenco has its roots in Arabic music.

CONNECTION WITH PLACE
5. rootsplural the feelings or connections that you have with a place because you have lived there or your family came from there
• I'm proud of my Italian roots.
• After 20 years in America, I still feel my roots are in England.

OF WORD
6. countable (linguistics)the part of a word that has the main meaning and that its other forms are based on; a word that other words are formed from
•‘Walk’ is the root of ‘walks’, ‘walked’, ‘walking’ and ‘walker’.

MATHEMATICS
7. countable a quantity which, when multiplied by itself a particular number of times, produces another quantity
see also ↑cube root, ↑square root

Word Origin:
n. late Old English rōt Old Norse rót Latin radix v. Old English wrōtan Germanic Old English wrōt ‘snout’ German Rüssel ‘snout’ Latin rodere ‘gnaw’

Thesaurus:
root noun
1. C
•We have to get to the root of the problem.
•Flamenco has its roots in Arabic music.
origin/origins • • cause • • source • • starting point • • beginnings •
(a) common roots/origin/cause/source/starting point
have (a) roots/origins/cause/source/starting point/beginnings
locate/discover/investigate/trace the roots/origin/cause/source of sth
Root or origins? Root is used especially about the cause of a problem; use origin to talk about when, where and how sth started: ✗ We have to get to the origin of the problem.:
•the origin of the universe
✗ the root of the universe Roots can suggest an emotional or cultural attachment; origins is more scientific.
2. pl.
•I'm proud of my African roots.
origin/origins • • background • • ancestry • • parentage • • pedigree • • family • |formal blood • • descent • • lineage •
ethnic/racial/social/cultural roots/origin/background/ancestry/pedigree/descent
African, Scottish, Italian, etc. roots/origin/background/ancestry/parentage/descent
trace your roots/origin/ancestry/pedigree/family/lineage

Collocations:
The living world
Animals
animals mate/breed/reproduce/feed (on sth)
fish/amphibians swim/spawn (= lay eggs)
birds fly/migrate/nest/sing
insects crawl/fly/bite/sting
insects/bees/locusts swarm
bees collect/gather nectar/pollen
spiders spin/weave a web
snakes/lizards shed their skins
bears/hedgehogs/frogs hibernate
insect larvae grow/develop/pupate
an egg/a chick/a larva hatches
attract/find/choose a mate
produce/release eggs/sperm
lay/fertilize/incubate/hatch eggs
inhabit a forest/a reef/the coast
mark/enter/defend (a) territory
stalk/hunt/capture/catch/kill prey
Plants and fungi
trees/plants grow/bloom/blossom/flower
a seed germinates/sprouts
leaves/buds/roots/shoots appear/develop/form
flower buds swell/open
a fungus grows/spreads/colonizes sth
pollinate/fertilize a flower/plant
produce/release/spread/disperse pollen/seeds/spores
produce/bear fruit
develop/grow/form roots/shoots/leaves
provide/supply/absorb/extract/release nutrients
perform/increase/reduce photosynthesis
Bacteria and viruses
bacteria/microbes/viruses grow/spread/multiply
bacteria/microbes live/thrive in/on sth
bacteria/microbes/viruses evolve/colonize sth/cause disease
bacteria break sth down/convert sth (into sth)
a virus enters/invades sth/the body
a virus mutates/evolves/replicates (itself)
be infected with/contaminated with/exposed to a new strain of a virus/drug-resistant bacteria
contain/carry/harbour (especially US) harbor bacteria/a virus
kill/destroy/eliminate harmful/deadly bacteria

Example Bank:
•His fears of loneliness lay at the very root of his inability to leave.
•I expect money is at the root of the matter.
•I hope those cuttings will take root.
•I've spent months trying to get to the root of the problem.
•It is a moral question at root.
•Jazz's roots are firmly planted in African tradition.
•My husband wants to go back to his Irish roots.
•She pulled the shrub out by its roots.
•The company's roots go back to the 18th century.
•The two languages share a common root.
•The unrest has roots in religious differences.
•They can trace their roots back to the 16th century.
•They consider globalization to be the root of all evil.
•We haven't been here long enough to put down roots.
•severed from our cultural roots by industrialization
•The custom has its origins/roots in Wales.
•This shameful treatment struck at the very roots of their human dignity.
•We have to get to the root of the problem.
Idioms: ↑put down roots ▪ ↑root and branch ▪ ↑take root
Derived: ↑root for somebody ▪ ↑root somebody out ▪ ↑root somebody to something ▪ ↑root something up

verb

OF PLANTS
1. intransitive, transitive ~ (sth) to grow roots; to make or encourage a plant to grow roots

SEARCH
2. intransitive to search for sth by moving things or turning things over
Syn: ↑rummage
•~ (about/around) for sth pigs rooting for food
•Who's been rooting around in my desk?
•~ (through sth) (for sth) ‘It must be here somewhere,’ she said, rooting through the suitcase.
•Cats had been rooting in the garbage bags again.

SEX
3. intransitive, transitive ~ (sb) (AustralE, NZE, taboo, slang)to have sex with sb
Verb forms:

Word Origin:
n. late Old English rōt Old Norse rót Latin radix v. Old English wrōtan Germanic Old English wrōt ‘snout’ German Rüssel ‘snout’ Latin rodere ‘gnaw’

Example Bank:
•Cats had been rooting through the garbage bags again.
•There were a few pigs rooting for food.
•Who's been rooting around in my desk?