calcareous
Composed of calcium carbonate, calcium, or limestone; chalky.
cale
Variety of cabbage in which the leaves do not form a head, being nearly
the wild form of the species; also called kail.
calomel
Colorless, white or brown tasteless compound, Hg2Cl2, used as a
purgative and insecticide. Mercurous chloride.
cambric
Finely woven white linen or cotton fabric.
cantharis (pl. cantharides) (also called Spanish fly) Brilliant green blister beetle (Lytta vesicatoria or Cantharis vesicatoria) of central and southern Europe. Toxic preparation of the crushed, dried bodies of this beetle, formerly used as a counter-irritant for skin blisters and as an aphrodisiac.
capsicum
Topical American pepper plants, genus Capsicum, especially C. annuum and
C. frutescens.
capsid (mirid bug, mirid)
Variety of leaf bug.
carbolic acid (phenol)
Caustic, poisonous, white crystalline compound, C6H5OH, derived from
benzene and used in resins, plastics, and pharmaceuticals and in dilute
form as a disinfectant and antiseptic.
carbuncle
A painful localized bacterial infection of the skin that usually has
several openings discharging pus.
cardamom
Rhizomatous (horizontal, usually underground stem) Indian herb
(Elettaria cardamomum) having capsular fruits with aromatic seeds used
as a spice or condiment. Plants of the related genus Amomum, used as a
substitute for cardamom.