A pedal that controls the throttle valve.

synonyms: accelerator pedal, gas, gas pedal, gun, throttle.

Polish: pedał gazu, akcelerator, gaz

A valve that regulates the supply of fuel to the engine.

synonyms: throttle, throttle valve.

Polish: przepustnica

chemistry A substance that initiates or accelerates a chemical reaction without itself being affected.

synonym: catalyst.

Dutch: gaspedaal, katalysator, promotor
Polish: katalizator

A scientific instrument that increases the kinetic energy of charged particles.

synonyms: atom smasher, particle accelerator.

Dutch: cyclotron, deeltjesversneller, elektronenversneller, versneller, versnellingsmachine
Polish: akcelerator