[kap-tan, -tuh n]
a powder, C9H8Cl3NO2S, of white to cream color, used as a fungicide on vegetables, fruits, and flowers.
- captain's mast,
- captains courageous,
- captains of industry,
Origin of captan
First recorded in 1950–55; shortening of mercaptan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019