crucible(redirected from crucible former)
Also found in: Dictionary, Thesaurus, Encyclopedia.
a vessel for melting, burning, or dehydrating substances at high temperatures.
A vessel used as a container for reactions or experimental procedures at high temperatures.
[Mediev. L. crucibulum, a night lamp, later, a melting pot]
crucible/cru·ci·ble/ (kroo´sĭ-b'l) a vessel for melting refractory substances.
a cone-shaped vessel made of a refractory material, used in chemistry to melt or calcine materials at temperatures too high for other laboratory equipment to tolerate.
n a vessel or container that will withstand high heat and is used for melting or holding material.
crucible crushing strength,
n See strength, compressive.
crucible former (sprue base),
n the stand or base into which a sprued pattern is placed. It establishes the shape or form of the hollowed-out end of the investment in the casting ring, which will receive the molten metal on its course through the sprue hole. See also sprue former.
a vessel for melting refractory substances.