conductor

A person who leads musicians or singers, showing them when and how to play or sing.

• The conductor raised her hands.
• Our choir has a new conductor.
• The musicians watched the conductor closely during the concert.

Common phrases: orchestra conductor, choir conductor, guest conductor

A material or object that lets electricity, heat, light, or sound pass through it.

• Copper is a good conductor.
• Heat travels easily through this conductor.
• These wires contain metal conductors.

How to use it: conductor of something (Copper is a good conductor of electricity.)

Opposites: insulator

Common phrases: electrical conductor, good conductor, conductor of heat

A worker on a train or bus who checks tickets and helps passengers.

• The conductor checked my ticket.
• Ask the conductor where to get off.
• Two conductors helped passengers onto the train.

Similar words: ticket collector

Common phrases: train conductor, bus conductor, ask the conductor