Substance That Speeds Up a Reaction

This page is the CodyCross answer for the clue below from Resorts, Group 542, Puzzle 4 (Rest and Relaxation).

Question is: Substance That Speeds Up a 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 Speeds Up A Reaction - Resorts CodyCross Answers | CodyCross Solutions