Definition of test verb from the Oxford Advanced American Dictionary

     

    test

     verb
    verb
    NAmE//tɛst//
     
    Verb Forms present simple I / you / we / they test
     
    he / she / it tests
     
    past simple tested
     
    -ing form testing
     
     
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    knowledge/ability
  1. 1[transitive, intransitive] to find out how much someone knows, or what they can do, by asking them questions or giving them activities to perform test somebody (on something) Children are tested on core subjects at ages 7, 11, and 14. test (something) We test your English before deciding which class to put you in. Schools use various methods of testing.
  2. 2 [intransitive] test well/badly to perform well/badly in a test of knowledge or ability students who tested well in reading There are people who test well and people who don't.
  3. health
  4. 3[transitive, intransitive] to examine the blood, a part of the body, etc. to find out what is wrong with a person, or to check the condition of their health test somebody/something to test someone's eyesight/hearing test somebody/something for something The doctor tested him for hepatitis. + adj. (for something) to test positive/negative Two athletes tested positive for steroids.
  5. machine/product, etc.
  6. 4[transitive] to use or try a machine, substance, etc. to find out how well it works or to find out more information about it test something Test your brakes regularly. test something on somebody/something Our beauty products are not tested on animals. test something for something The water is regularly tested for purity. test something out They opened a single store in Europe to test out the market. see also field-test
  7. 5 [intransitive] test well/badly (of a machine or product) to perform well/badly in a test of how well it works The ad had tested badly with consumers.
  8. strength, etc.
  9. 6[transitive] test somebody/something to be difficult and therefore need all your strength, ability, etc. The long climb tested our fitness and stamina. see also testing
  10. Idioms
    test the waters
     
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    to find out what the situation is before doing something or making a decision
    Phrasal Verbstest for something
See the Oxford Advanced Learner's Dictionary entry: test