CRUCIBLE n. 2 definitions
A vessel or melting pot, composed of some very refractory substance, as clay, graphite, platinum, and used for melting and calcining substances which require a strong degree of heat, as metals, ores, etc.
DIRT n.
In placer mining, earth, gravel, etc., before washing. Dirt bed (Geom.), a layer of clayey earth forming a stratum in a geological formation. Dirt beds are common among the coal measures. -- Dirt eating. (a) The use of certain kinds of clay for food, existing among some tribes of Indians; geophagism. Humboldt. (b) (Me…
EARTH n.
ace of the globe, in distinction from the firm rock; soil of all kinds, including gravel, clay, loam, and the like; sometimes, soil favorable to the growth of plants; the visible surface of the globe; the ground; as, loose earth; rich earth. Give him a little earth for charity. Shak.
FATTY a.
lmitic acids, occur in the natural fats, and are themselves fatlike substances. -- Fatty clays. See under Clay. -- Fatty degeneration (Med.), a diseased condition, in which the oil globules, naturally present in certain organs, are so multiplied as gradually to destroy and replace the efficient parts of these organs.…