change-gear

The driver shifts the change-gear to move the car forward.

Definition

1. Noun:
   • A gear used to alter the speed or torque in a mechanical system: "change-gear" refers to a specific gear in a machine, such as an automobile, that is engaged to shift from one speed or power setting to another. It is most commonly used in contexts like automotive transmissions or industrial machinery.

Usage Examples

• Noun:
  • The mechanic inspected the change-gear in the car's transmission. (The gear responsible for altering the vehicle's speed.)
  • He replaced the worn change-gear to fix the lathe machine. (The gear that adjusts the rotation speed of the machine tool.)

Advanced Usage

• "to shift a change-gear": to manually or automatically engage a different gear to change speed.

  • The driver had to shift the change-gear to climb the steep hill. (Engage a lower gear for more power.)

• "change-gear ratio": the numerical relationship between the teeth of the change-gear and other gears, determining speed or torque.

  • The change-gear ratio was modified to increase the machine's output speed. (The proportion of gear teeth that affects performance.)

Variants and Related Words

• Change gear (verb phrase): to alter the gear selection in a vehicle or machine.

  • You need to change gear when the engine revs too high. (Shift to a different gear.)

• Gear change (noun): the act or mechanism of switching gears.

  • The gear change was smooth and quiet. (The process of shifting gears.)

Synonyms

• Transmission gear: a gear in the system that transmits power.
• Speed gear: a gear specifically for adjusting speed.

Phrasal Verbs

• Change down: to shift to a lower gear.

  • He changed down to second gear for the corner. (Reduced speed by engaging a lower gear.)

• Change up: to shift to a higher gear.

  • She changed up once the car reached highway speed. (Increased speed by engaging a higher gear.)

Related Idioms

• Change gear (idiom): to alter one's approach or pace in a task or situation.

  • After the meeting, we need to change gear and focus on the next project. (Shift our strategy or effort.)

• In gear: functioning or operating effectively.

  • The team is finally in gear after the slow start. (Working smoothly and efficiently.)