English dictionary



Hint: Click 'Bookmark' to add this page to your favorites.

English noun: catalyst

1. catalyst (substance) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected


Synonymsaccelerator


Broader (hypernym)activator


Narrower (hyponym)biocatalyst, enzyme, platinum black


Domain categorychemical science, chemistry


Antonymsanticatalyst

2. catalyst (person) something that causes an important event to happen


SamplesThe invasion acted as a catalyst to unite the country.


Broader (hypernym)causal agency, causal agent, cause









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk