Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
catalyst | Yes | No | No | No |
accelerator | Yes | No | No | No |
catalyst (noun) | accelerator (noun) |
---|---|
something that causes an important event to happen | a valve that regulates the supply of fuel to the engine |
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected | a scientific instrument that increases the kinetic energy of charged particles |
a pedal that controls the throttle valve | |
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected |