test for (something)

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test for (something)

To apply or administer a test (to someone or something) in order to determine, identify, or verify something. A noun or pronoun can be used between "test" and "for." It's standard procedure to test for any immune system deficiencies ahead of such a major operation. They're testing everyone in the city to make sure there isn't another outbreak.
See also: test

test someone or something for something

to apply a test to someone or something to try to determine something or identify something. They tested me for all sorts of diseases. Ken tested the roof for weak spots.
See also: test

test for something

to try to find out about something by testing. We are testing for weak places in your roof. That's the noise you hear up there. They are testing for some sort of infection.
See also: test

test for

v.
To administer a test to someone or something in order to determine the presence of something: The technician tested the blood sample for leukemia. The doctor tested the children for head lice. This procedure tests for the presence of harmful substances.
See also: test