CAUSTIC; CAUSTICAL a.
Severe; satirical; sharp; as, a caustic remark. Caustic curve (Optics), a curve to which the ray of light, reflected or refracted by another curve, are tangents, the reflecting or refracting curve and the luminous point being in one plane. -- Caustic lime. See under Lime. -- Caustic potash, Caustic soda (Chem.), the…
COLIC n.
A severe paroxysmal pain in the abdomen, due to spasm, obstruction, or distention of some one of the hollow viscera. Hepatic colic, the severe pain produced by the passage of a gallstone from the liver or gall bladder through the bile duct. -- Intestinal colic, or Ordinary colic, pain due to distention of the intestin…
CRUCIBLE n.
A test of the most decisive kind; a severe trial; as, the crucible of affliction. Hessian crucible (Chem.), a cheap, brittle, and fragile, but very refractory crucible, composed of the finest fire clay and sand, and commonly used for a single heating; -- named from the place of manufacture.