Substance That Boosts a Chemical Reaction

This page is the CodyCross answer for the clue below from Seasons, Group 73, Puzzle 1 (Verkhoyansk).

Question is: Substance That Boosts a Chemical Reaction

and the answer is: CATALYST

Word Meaning:

CATALYST — (chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process.

Definitions from Wiktionary.

Substance that boosts a chemical reaction — CodyCross Answer | CodyCross Solutions