- 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 testingtest, trial, examination, measurement, verification, questioning, experimentation, proof, examining, experimenting
Examples from the Web for testing
Contemporary Examples of testing
Testing methods can now detect HIV within ten days of infection.The Outrageous Celibacy Requirement for Gay Blood Donors
November 22, 2014
Discarding the idea of testing the waters with a provocative contribution, I just asked what they would do.Blurred Lines at NY Sketchbook Museum
November 1, 2014
With few protective barriers in place, their safety relies heavily on testing protocols and trusting their partners.
Thankfully, testing performers for STDs is mandatory—or so we thought.
SpaceShipTwo was testing a new plastic-based rocket fuel for the first time Friday.SpaceShipTwo Flew on Untested Rocket
Dave Majumdar, Clive Irving
October 31, 2014
Historical Examples of testing
I am speaking for the moment only of the degree to which the testing comes.The Conquest of Fear
Each workshop and testing room is devoted to a particular purpose.Heroes of the Telegraph
"We've wasted weeks testing every man on this field," said Dr. Shalt solemnly.The Second Voice
It's the devil and all that I never thought of testing it myself in wet weather.The Great Hunger
Two Arrows did not know that he was testing his quality as a warrior and chief to be.Two Arrows
William O. Stoddard
- 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.