noun
- Archaic cupel (sense )
- an examination, experiment, or trial, as to prove the value or ascertain the nature of something
- a method, process, or means used in making such an examination or trial
- a standard or criterion by which the qualities of a thing are tried
- an oath or declaration required as proof of one's orthodoxy, loyalty, etc.
- an event, set of circumstances, etc. that proves or tries a person's qualities: the delay was a test of our patience
- a set of questions, problems, or exercises for determining a person's knowledge, abilities, aptitude, or qualifications; examination
- Chem.
- a trial or reaction for identifying a substance or ingredient
- the reagent used in the procedure
- a positive indication obtained by it
Origin:
ME, a cupel < OFr, a pot, cupel < L testum, earthen vessel < testa, piece of burned clay, shell < IE base *tekth-, to weave, join > Sans tašta, cup, Gr tektōn, carpenter: mod. meaning from use of the cupel in examining metals