noun#8,263 by frequency
catalyst
/ˈkæt.ɪ.lɪst/
A substance that increases the rate of a chemical reaction without being consumed in the process; Something that encourages progress or change; An inciting incident that sets the successive conflict into motion
- plural
- catalysts
Meanings
- 1
A substance that increases the rate of a chemical reaction without being consumed in the process
Many metals make good catalysts.
Tatoeba · Hybrid · CC BY 2.0 FR
Catalysts make chemical reactions possible at low temperatures.
Tatoeba · CM · CC BY 2.0 FR
- 2
Something that encourages progress or change
- 3
An inciting incident that sets the successive conflict into motion
- 4
A catalytic converterrare
- 5
An object that facilitates the casting of a spell (such as a magic wand)rare