lime sulfur

American  

Or lime sulphur

noun

Chemistry.

1. a mixture of lime and sulfur that has been boiled in water: used in powdered form or in aqueous solution as an insecticide, a fungicide, and a sheep dip.

---

Etymology

Origin of lime sulfur

First recorded in 1905–10

Example Sentences

Because water and lime sulfur don�t contain carbon they are not organic molecules, and therefore neither is an organic material used in making resin.

From Time Magazine Archive

Melander himself had run into difficulty with the San Jose scale, for some years satisfactorily controlled by spraying with lime sulfur.

From "Silent Spring" by Rachel Carson