root

/ru:t/
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root

The dentist pointed to the tooth's root on the x-ray.

Definition

  1. Noun:

    • The underground part of a plant: The part of a plant that typically lies below the surface of the soil, absorbing water and nutrients and anchoring the plant.
    • The origin or source of something: The basic cause, source, or origin of a thing.
    • The embedded part of a bodily structure: The part of a tooth, hair, or organ that is attached to the rest of the body.
    • (Mathematics) A number or value: A number that, when multiplied by itself a specified number of times, equals a given number; or a value that satisfies an equation.
    • (Linguistics) The base form of a word: The simplest form of a word, without any prefixes or suffixes, from which other words are derived.

  2. Verb:

    • To grow roots or become fixed: For a plant to establish roots; or for an idea or feeling to become firmly established.
    • To search by digging or rummaging: To turn over or dig in the ground with the snout or nose, as an animal does.
    • To cheer or support enthusiastically: To give strong vocal support or encouragement to a person or team.
Examples of Usage

  • Noun:

    • The root of the tree was damaged in the storm.
    • Lack of education is often the root of social problems.
    • The dentist said the root of the tooth was infected.
    • Three is the square root of nine.
    • The word "happiness" comes from the root "happy".

  • Verb:

    • The seedlings will root quickly in this moist soil.
    • The pig began to root in the dirt for food.
    • The fans root loudly for their home team every weekend.
Advanced Usage

  • "to take root": To become established or begin to grow.

    • The idea of democracy began to take root in the region.

  • "root and branch": Completely or thoroughly.

    • The company was reformed root and branch.

  • "to root for someone/something": To support or hope for the success of someone or something.

    • I always root for the underdog in a competition.
Variants and Related Words

  • Rootless (adj): Having no roots or foundation; not settled.

    • He led a rootless existence, moving from city to city.

  • Rooted (adj): Fixed firmly; deeply established.

    • She felt rooted to the spot in fear.

  • Root vegetable (n): A vegetable such as a carrot or potato that grows as a root.

    • Carrots and turnips are common root vegetables.
Synonyms
  • Noun: Origin, source, basis, foundation, core.
  • Verb: Establish, implant, dig, forage, cheer, support.
Related Phrasal Verbs

  • Root out: To find and remove something or someone completely.

    • The government vowed to root out corruption.

  • Root around (for something): To search for something by moving things around.

    • He rooted around in his drawer for a pen.
Related Idioms

  • The root of the matter/problem: The fundamental cause of a situation.

    • We need to address the root of the problem, not just the symptoms.

  • Money is the root of all evil: A saying meaning that the desire for money causes many problems (a common paraphrase from the Bible).

    • He often said that money is the root of all evil, yet he worked tirelessly to earn it.
root

The dentist pointed to the tooth's root on the x-ray.

Noun
  1. the part of a tooth that is embedded in the jaw and serves as support
  2. a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes
  3. someone from whom you are descended (but usually more remote than a grandparent)
  4. the set of values that give a true statement when substituted into an equation
  5. a number that, when multiplied by itself some number of times, equals a given number
  6. (linguistics) the form of a word after all affixes are removed
    • thematic vowels are part of the stem
  7. the place where something begins, where it springs into being
    • the Italian beginning of the Renaissance
    • Jupiter was the origin of the radiation
    • Pittsburgh is the source of the Ohio River
    • communism's Russian root
  8. (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
Verb
  1. cause to take roots
  2. become settled or established and stable in one's residence or life style
    • He finally settled down
  3. dig with the snout
    • the pig was rooting for truffles
  4. plant by the roots
  5. come into existence, originate
    • The problem roots in her depression
  6. take root and begin to grow
    • this plant roots quickly

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