Catalyst
nounverified·updated May 18, 2026
in chemistry, a substance that initiates or accelerates a chemical reaction without itself being affected
Framework senses
- §1
- something that causes an important event to happen
- §2
- in chemistry, a substance that initiates or accelerates a chemical reaction without itself being affected
- §1 · legacy_primary
- in chemistry, a substance that initiates or accelerates a chemical reaction without itself being affectedDR-088 backfill from the noun definition column