test /ˈtɛst/ 名詞
Test, v. t. [imp. & p. p. Tested; p. pr. & vb. n. Testing.]
1. Metal. To refine, as gold or silver, in a test, or cupel; to subject to cupellation.
2. 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.
Experience is the surest standard by which to test the real tendency of the existing constitution. --Washington.
3. Chem. To examine or try, as by the use of some reagent; as, to test a solution by litmus paper.
1. Metal. A cupel or cupelling hearth in which precious metals are melted for trial and refinement.
Our ingots, tests, and many mo. --Chaucer.
2. Examination or trial by the cupel; hence, any critical examination or decisive trial; as, to put a man's assertions to a test. “Bring me to the test.”
3. Means of trial; as, absence is a test of love.
Each test every light her muse will bear. --Dryden.
4. That with which anything is compared for proof of its genuineness; a touchstone; a standard.
Life, force, and beauty must to all impart,
At once the source, and end, and test of art. --Pope.
5. Discriminative characteristic; standard of judgment; ground of admission or exclusion.
Our test excludes your tribe from benefit. --Dryden.
6. Judgment; distinction; discrimination.
Who would excel, when few can make a test
Betwixt indifferent writing and the best? --Dryden.
7. Chem. 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.
Test act Eng. Law, an act of the English Parliament prescribing a form of oath and declaration against transubstantiation, which all officers, civil and military, were formerly obliged to take within six months after their admission to office. They were obliged also to receive the sacrament according to the usage of the Church of England. --Blackstone.
Test object Optics, an object which tests the power or quality of a microscope or telescope, by requiring a certain degree of excellence in the instrument to determine its existence or its peculiar texture or markings.
Test paper. (a) Chem. Paper prepared for use in testing for certain substances by being saturated with a reagent which changes color in some specific way when acted upon by those substances; thus, litmus paper is turned red by acids, and blue by alkalies, turmeric paper is turned brown by alkalies, etc. (b) Law An instrument admitted as a standard or comparison of handwriting in those jurisdictions in which comparison of hands is permitted as a mode of proving handwriting.
Test tube. Chem. (a) A simple tube of thin glass, closed at one end, for heating solutions and for performing ordinary reactions. (b) A graduated tube.
Syn: -- Criterion; standard; experience; proof; experiment; trial.
Usage: -- Test, Trial. Trial is the wider term; test is a searching and decisive trial. It is derived from the Latin testa (earthen pot), which term was early applied to the fining pot, or crucible, in which metals are melted for trial and refinement. Hence the peculiar force of the word, as indicating a trial or criterion of the most decisive kind.
I leave him to your gracious acceptance, whose trial shall better publish his commediation. --Shak.
Thy virtue, prince, has stood the test of fortune,
Like purest gold, that tortured in the furnace,
Comes out more bright, and brings forth all its weight. --Addison.
Test n. A witness. [Obs.]
Prelates and great lords of England, who were for the more surety tests of that deed. --Ld. Berners.
Test, v. i. To make a testament, or will. [Obs.]
Test Tes·ta n.; pl. E. Tests L. Testae
1. Zool. The external hard or firm covering of many invertebrate animals.
Note: ☞ The test of crustaceans and insects is composed largely of chitin; in mollusks it is composed chiefly of calcium carbonate, and is called the shell.
2. Bot. The outer integument of a seed; the episperm, or spermoderm.
n 1: any standardized procedure for measuring sensitivity or
memory or intelligence or aptitude or personality etc;
"the test was standardized on a large sample of
students" [syn: mental test, mental testing, psychometric
2: the act of testing something; "in the experimental trials
the amount of carbon was measured separately"; "he called
each flip of the coin a new trial" [syn: trial, run]
3: the act of undergoing testing; "he survived the great test
of battle"; "candidates must compete in a trial of skill"
4: trying something to find out about it; "a sample for ten
days free trial"; "a trial of progesterone failed to
relieve the pain" [syn: trial, trial run, tryout]
5: a set of questions or exercises evaluating skill or
knowledge; "when the test was stolen the professor had to
make a new set of questions" [syn: examination, exam]
6: a hard outer covering as of some amoebas and sea urchins
v 1: put to the test, as for its quality, or give experimental
use to; "This approach has been tried with good
results"; "Test this recipe" [syn: prove, try, try
out, examine, essay]
2: test or examine for the presence of disease or infection;
"screen the blood for the HIV virus" [syn: screen]
3: examine someone's knowledge of something; "The teacher tests
us every week"; "We got quizzed on French irregular verbs"
4: show a certain characteristic when tested; "He tested
positive for HIV"
5: achieve a certain score or rating on a test; "She tested
high on the LSAT and was admitted to all the good law
6: determine the presence or properties of (a substance)
7: undergo a test; "She doesn't test well"