Chlorothalonil
ahd-5
noun.
A colorless crystalline compound, C
8
Cl
4
N
2,
used as a fungicide on a variety of vegetable crops, peanuts, lawns, and turfs and as a preservative in paints and adhesives.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A
broad-spectrum
nonsystemic
fungicide
.