wiper

• Substantivo que designa um dispositivo mecânico, geralmente em um veículo, que limpa o para-brisa movendo-se sobre sua superfície, ou uma pessoa ou objeto que limpa ou enxuga algo.

A noun referring to a mechanical device, typically on a vehicle, that cleans the windshield by moving across its surface, or a person or object that wipes something clean.

1. A worker who wipesB2formal

   A person whose job is to clean or wipe surfaces, often in industrial or cleaning contexts.

   Limpador

   • The wiper carefully cleaned the machinery after each shift.
   • He worked as a wiper in the factory for several years.
   • The wiper used a cloth to remove the excess oil from the parts.

2. Electrical contact armC1formaltechnical

   A conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet, used in devices like potentiometers or switches.

   Contato deslizante

   • The wiper in the potentiometer ensures a variable resistance.
   • Technicians replaced the wiper to restore the switch's functionality.
   • The wiper arm made contact with the circuit board terminals.

   Sinônimosbrushslidersweeper

3. Windshield wiperA2formaltechnical

   A mechanical device that cleans the windshield of a vehicle by moving a rubber blade across the glass.

   Limpador de para-brisa

   • He turned on the wipers when it started to rain.
   • The wiper blades need to be replaced every six months.
   • She used the wiper to clear the snow from the windshield.

   Sinônimoswindscreen wiperwindshield wiper