| 单词 | test |
| 释义 | test 1. n. & v. --n 1. a critical examination or trial of a person's or thing's qualities. 2. the means of so examining; a standard for comparison or trial; circumstances suitable for this (success is not a fair test). 3. a minor examination, esp. in school (spelling test). 4. colloq. a test match. 5. a ground of admission or rejection (is excluded by our test). 6. Chem. a reagent or a procedure employed to reveal the presence of another in a compound. 7. Brit. a movable hearth in a reverberating furnace with a cupel used in separating gold or silver from lead. --vtr. 1. put to the test; make trial of (a person or thing or quality). 2. try severely; tax a person's powers of endurance etc. 3. Chem. examine by means of a reagent. 4. Brit. refine or assay (metal). Phrases and idioms put to the test cause to undergo a test. Test Act hist. 1. an act in force 1672-1828, requiring all persons before holding office in Britain to take oaths of supremacy and allegiance or an equivalent test. 2. an act of 1871 relaxing conditions for university degrees. test bed equipment for testing aircraft engines before acceptance for general use. test card a still television picture transmitted outside normal programme hours and designed for use in judging the quality and position of the image. test case Law a case setting a precedent for other cases involving the same question of law. test drive a drive taken to determine the qualities of a motor vehicle with a view to its regular use. test-drive v.tr. (past -drove; past part. -driven) drive (a vehicle) for this purpose. test flight a flight during which the performance of an aircraft is tested. test-fly v.tr. (-flies; past -flew; past part. -flown) fly (an aircraft) for this purpose. test match a cricket or Rugby match between teams of certain countries, usu. each of a series in a tour. test meal a meal of specified quantity and composition, eaten to assist tests of gastric secretion. test out put (a theory etc.) to a practical test. test paper 1. a minor examination paper. 2. Chem. a paper impregnated with a substance changing colour under known conditions. test pilot a pilot who test-flies aircraft. test-tube a thin glass tube closed at one end used for chemical tests etc. test-tube baby colloq. a baby conceived by in vitro fertilization. Derivatives testable adj. testability n. testee n. Etymology: ME f. OF f. L testu(m) earthen pot, collateral form of testa TEST(2) 2. n. the shell of some invertebrates, esp. foraminiferars and tunicates. Etymology: L testa tile, jug, shell, etc.: cf. TEST(1) |
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