Harmful Substance, E.g. Pesticide
This page is the CodyCross answer for the clue below from TV Station, Group 620, Puzzle 4 (Guest Appearances).
Question is: Harmful Substance, E.g. Pesticide
and the answer is: TOXICANT
Word Meaning:
TOXICANT — Capable of causing damage or dysfunction by toxicity.
Definitions from Wiktionary.