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1. A procedure for critical evaluation; a means of determining the presence, quality, or truth of something; a trial: a test of one's eyesight; subjecting a hypothesis to a test; a test of an athlete's endurance.
2. A series of questions, problems, or physical responses designed to determine knowledge, intelligence, or ability.
3. A basis for evaluation or judgment: "A test of democratic government is how Congress and the president work together" (Haynes Johnson).
4. Chemistry A physical or chemical change by which a substance may be detected or its properties ascertained.
5. A cupel.
v. test·ed, test·ing, tests
1. To subject to a test; try: tested the pen by scribbling on scrap paper; testing job applicants.
2. To reveal the degree of (a given quality) in someone or something by or as if by means of a test: The experiment tested the rats' ability to solve spatial problems. The long war tested the country's resolve.
a. To identify the presence or amount of one or more substances in: tested the water for lead.
b. To identify the amount of (a substance) in something: tested the nitrogen and phosphorus in the soil.
c. To ascertain the properties of: tested the steel for hardness and tensile strength.
d. To assay (metal) in a cupel.
1. To undergo a test.
2. To administer a test: test for acid content; test for the presence of an antibody.
3. To achieve a score or rating on tests: tested high on the entrance exams.
4. To exhibit a given characteristic when subjected to a test: test positive for the tubercle bacillus.
[Middle English, cupel, from Old French, pot, from Latin testū, testum.]
A hard external covering, as that of certain amoebas, dinoflagellates, and sea urchins.
[Latin testa, shell.]