CRUCIBLE n.
cisive 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.
DRIFT n. 3 definitions
matter which has been driven or forced onward together in a body, or thrown together in a heap, etc., esp. by wind or water; as, a drift of snow, of ice, of sand, and the like. Drifts of rising dust involve the sky. Pope. We got the brig a good bed in the rushing drift [of ice]. Kane.