A cupel or cupelling hearth in which precious metals are
melted for trial and refinement.
•
Examination or trial by the cupel; hence, any critical
examination or decisive trial; as, to put a man's assertions to a test.
•
Means of trial; as, absence is a test of love.
•
That with which anything is compared for proof of its
genuineness; a touchstone; a standard.
•
Discriminative characteristic; standard of judgment; ground
of admission or exclusion.
•
Judgment; distinction; discrimination.
•
A reaction employed to recognize or distinguish any
particular substance or constituent of a compound, as the production of
some characteristic precipitate; also, the reagent employed to produce
such reaction; thus, the ordinary test for sulphuric acid is the
production of a white insoluble precipitate of barium sulphate by means
of some soluble barium salt.
•
To refine, as gold or silver, in a test, or cupel; to
subject to cupellation.
•
To put to the proof; to prove the truth, genuineness, or
quality of by experiment, or by some principle or standard; to try; as,
to test the soundness of a principle; to test the validity of an
argument.
•
To examine or try, as by the use of some reagent; as, to
test a solution by litmus paper.
