antispasmodic.

Summer complaint (summer diarrhea)
Diarrhea of children that in hot weather; often caused by ingestion of
food contaminated by microorganisms.

Sulphonal
Produced by combining mercaptan and acetone; employed as a hypnotic.

sulphuric ether
Ethyl ether; formerly called Naphtha vitrioli (naphtha of vitriol).

sumac (sumach)
Shrubs or small trees of the genus Rhus, having compound leaves,
clusters of small greenish flowers, and usually red, hairy fruit. Some
species, such as the poison ivy and poison oak, cause an acute itching
rash on contact.

suppuration
Formation or discharge of pus. Also called pyesis, pyopoiesis, pyosis.

suprarenal
Located above the kidney; a suprarenal part, especially an adrenal
gland.

sweet william
Annual, biennial, or perennial herb (Dianthus barbatus), native to
Eurasia, widely cultivated as an ornamental for its flat-topped dense
clusters of varicolored flowers.