Definition

1. Adjective:
   • Relying on an engine for propulsion in addition to muscle power: Describes a vehicle or device that uses a combination of human effort and a motor to move forward.

Usage Examples

• Adjective:
  • He commutes to work on a motor-assisted bicycle.
  • The new regulations apply to all motor-assisted scooters.
  • A motor-assisted wheelchair provides greater independence for the user.

Advanced Usage

• Technical/Formal Context: The term is often used in legal, engineering, or regulatory documents to classify vehicles that are not purely human-powered nor fully motorized.
  • The city's transportation code defines e-bikes as motor-assisted cycles with a maximum power output.

Variants and Related Words

• Motorized (adj): Equipped with a motor as the primary or sole source of power.
  • A motorized wheelchair vs. a motor-assisted bicycle.
• Power-assisted (adj): A broader term that can include assistance from electric motors or other non-muscular power sources.
  • Power-assisted steering.

Synonyms

• Electrically assisted: Specifically when the assisting motor is electric.
• Pedal-assist: A common term for bicycles where the motor provides power only when the rider is pedaling.

Related Phrases/Compounds

• Motor-assisted bicycle: The most common compound, synonymous with e-bike or electric bicycle.
• Motor-assisted propulsion: A technical phrase describing the method of movement.

Adjective

1. relying on an engine for propulsion in addition to muscle power
   • a motor-assisted bicycle