Oxide containing three atoms of oxygen with two atoms (or radicals) of
some other substance; thus, alumina, Al2O3 is a sesquioxide.

shirr
Cook (unshelled eggs) by baking until set.

sinapism.
See mustard plaster.

sitz bath
Bathtub shaped like a chair, used to bathe only the hips and buttocks.

slaked lime
See lime

sling
Drink consisting of brandy, whiskey, or gin, sweetened and usually
lemon-flavored.

smallpox
Contagious febrile (feverish) disease characterized by skin eruption
with pustules, sloughing, and scar formation. It is caused by a poxvirus
(genus Orthopoxvirus) that is believed to exist now only in lab
cultures.

smilax (catbrier, greenbrier)
Slender vine (Asparagus asparagoides) with glossy foliage, greenish
flowers, heart-shaped leaves, and bluish to black berries; popular as a
floral decoration.