Accelerator
nounverified·updated May 18, 2026
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Framework senses
- §1
- a valve that regulates the supply of fuel to the engine
- §2
- a scientific instrument that increases the kinetic energy of charged particles
- §3
- a pedal that controls the throttle valve
- §4
- (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected