- the process of identifying or detecting the presence of a constituent of a substance, or of determining the nature of a substance, commonly by the addition of a reagent.
- the reagent used.
- an indication or evidence of the presence of a constituent, or of the nature of a substance, obtained by such means.
verb (used with object)
verb (used without object)
- test act,
- test ban,
- test blank,
- test card,
- test case
Origin of test1
Examples from the Web for tested
Tested recently on the iPhone, the app was slick, though like many initial releases it crashed a couple times.
Tested by experiment, our reasoning is verified to the letter (fig. 29).Six Lectures on Light|John Tyndall
Tested by that standard of happiness, it is a low-spirited, mirthless, and all but silent population that we have here now.Change in the Village|(AKA George Bourne) George Sturt
Tested by the interest groups that function through them, legislatures are of two general types.Introduction to the Science of Sociology|Robert E. Park
Tested by this ulterior norm of life, predatory emulation, and therefore the life of sports, falls short.The Theory of the Leisure Class|Thorstein Veblen
Tested twice in Washington, it has at neither time rated with the best in so far as cracking quality is concerned.Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting|Northern Nut Growers Association
- a chemical reaction or physical procedure for testing a substance, material, etc
- a chemical reagent used in such a procedurelitmus is a test for acids
- the result of the procedure or the evidence gained from itthe test for alcohol was positive
Word Origin for test
Word Origin for test
late 14c., "small vessel used in assaying precious metals," from Old French test, from Latin testum "earthen pot," related to testa "piece of burned clay, earthen pot, shell" (cf. Latin testudo "tortoise") and texere "to weave" (cf. Lithuanian tistas "vessel made of willow twigs;" see texture (n.)).
Sense of "trial or examination to determine the correctness of something" is recorded from 1590s. The connecting notion is "ascertaining the quality of a metal by melting it in a pot." Test Act was the name given to various laws in English history meant to exclude Catholics and Nonconformists from office, especially that of 1673, repealed 1828. Test drive (v.) is first recorded 1954.
1748, "to examine the correctness of," from test (n.). Related: Tested; testing.
see acid test; put to the test.