Substance That Accelerates a Chemical Reaction
This page is the CodyCross answer for the clue below from The 70's, Group 331, Puzzle 1 (Barbra Streisand).
Question is: Substance That Accelerates 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.