lever

/'li:və/
Học thuật
Thân thiện
lever

A child uses a lever to lift a heavy rock.

Definition

  1. Noun:

    • A simple machine consisting of a rigid bar that pivots around a fixed point (fulcrum): It is used to transmit force and provide a mechanical advantage to move or lift objects.
    • A flat metal tumbler in a type of lock: A component within a lever lock mechanism.

  2. Verb:

    • To move, lift, or force something open using a lever or a similar prying action: To apply force with a tool to separate or open something.
Usage Examples

  • Noun:

    • A crowbar is a common type of lever used for prying.
    • The principle of the lever is fundamental to many tools and machines.

  • Verb:

    • They had to lever the heavy stone slab into position.
    • He used a screwdriver to lever open the stuck window.
Advanced Usage
  • "To lever something out/off/up": To remove, raise, or dislodge something by using a lever.
    • We managed to lever the old nail out of the wood.
    • The rescue team levered up the collapsed beam.
Variants and Related Words
  • Leverage (n): The mechanical advantage gained by using a lever; also, strategic power or influence.
    • The long handle provides greater leverage.
  • Leverage (v): To use a lever; to use something to maximum advantage.
    • The company leveraged its assets to secure a loan.
Synonyms
  • Noun: Pry bar, crowbar, jimmy.
  • Verb: Pry, jimmy, force, prize.
Related Phrasal Verbs
  • Lever out: To extract or remove something using leverage.
    • She carefully levered out the damaged floorboard.
  • Lever off: To remove something, like a lid or cap, by prying.
    • He levered off the paint can lid with a flathead screwdriver.
Related Idioms
  • "To lever oneself into a position": To maneuver oneself into a job or situation, often with effort or strategy.
    • She levered herself into a management role through hard work and networking.
lever

A child uses a lever to lift a heavy rock.

Noun
  1. a flat metal tumbler in a lever lock
  2. a simple machine that gives a mechanical advantage when given a fulcrum
  3. a rigid bar pivoted about a fulcrum
Verb
  1. to move or force, especially in an effort to get something open
    • The burglar jimmied the lock: Raccoons managed to pry the lid off the garbage pail

Từ đồng nghĩa

Từ gần giống

Từ chứa "lever"

Từ có nhắc đến "lever"