CRUCIBLE

Crucible

A crucible is a container that can withstand very high temperatures and is used for metal, glass, and pigment production as well as a number of modern laboratory processes. While crucibles historically were usually made from clay, they can be made from any material that withstands temperatures high enough to melt or otherwise alter its contents.

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crucible

Noun

  1. A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures.
  2. A heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder.
  3. The bottom and hottest part of a blast furnace; the hearth.
  4. A very difficult and trying experience, that acts as a refining or hardening process.


The above text is a snippet from Wiktionary: crucible
and as such is available under the Creative Commons Attribution/Share-Alike License.

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