Section C

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"Section C"

kroes cup, crucible, Dan. kruus,
Sw. krus, E. cruse. It was confused with
derivatives of L. crux cross (cf. Crosslet), and
crucibles were said to have been marked with a cross, to prevent
the devil from marring the chemical operation. See Cruse,
and cf. Cresset.] 1. 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.

2. A hollow place at the bottom of a
furnace, to receive the melted metal.

3. 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.

Cru"ci*fer (-f?r), n. [See
Cruciferous.] (Bot.) Any plant of the order
Cruciferæ.

Cru*cif"er*ous (kr?-s?f"?r-?s), a.
[L. crux, crucis, cross + -ferous: cf. F.
crucif&?;re.

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"Section C"