The Active Ingredient of Tobacco
This page is the CodyCross answer for the clue below from Working From Home, Group 1235, Puzzle 2 (File Folders).
Question is: The Active Ingredient of Tobacco
and the answer is: NICOTINE
Word Meaning:
NICOTINE — (organic chemistry) An alkaloid (C₁₀H₁₄N₂), commonly occurring in the tobacco plant.
Definitions from Wiktionary.