- 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)
Origin of test1
Synonyms for test
Related Words for testedproved, approved, certified, dependable, loyal, reliable, safe, tried-and-true, trustworthy, trusty, creditworthy
Examples from the Web for tested
Contemporary Examples of tested
Tested recently on the iPhone, the app was slick, though like many initial releases it crashed a couple times.North Korean Tourism: There’s an App for That
May 10, 2014
Historical Examples of tested
Tested on the piano, the pitch was F-sharp and the time was my heart beat.The Story of the Mind
James Mark Baldwin
Tested by this, no one of our States except Texas ever was a sovereignty.The Papers And Writings Of Abraham Lincoln, Volume Five
Tested in this way, the tax on letters proved unsatisfactory.The Development of Rates of Postage
A. D. Smith
Tested by this, no one of our States, except Texas, ever was a sovereignty.Speeches and Letters of Abraham Lincoln, 1832-1865
Tested by experiment, our reasoning is verified to the letter (fig. 29).Six Lectures on Light
- 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to various laws in English history meant to exclude Catholics and Nonconformists from office, especially that of 1673, repealed 1828.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.