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test

2 verb
     
Related topics: Medicine
test2 S3 W2 [transitive]
1

medical

M to examine someone's blood, body etc in order to find out what is wrong with them, or to see if they have taken an illegal drug:
I must have my eyes tested.
test somebody for something
They tested her for diabetes.
test positive/negative (for something)
Athletes who test positive for steroids are immediately banned.
2

substance

to examine a substance or thing in order to find out its qualities or what it contains
test (something) for something
The water should be tested for lead.
3

knowledge/ability

to ask someone spoken or written questions, or make them do a practical activity, to discover what they know about a subject
This task is designed to test your reading skills.
test somebody on something
We're being tested on grammar tomorrow.
4

machine/product

also test out to use something for a short time to see if it works in the correct way:
The Ferrari team wanted to test their new car out on the racetrack.
test something on somebody/something
None of this range of cosmetics has been tested on animals.
5

show how good/strong

to show how good or strong someone or something is, especially by putting them in a difficult situation:
a game that will test the contestants' strength and skill
The next six months will test your powers of leadership.
I felt that she was testing me, leaving all that cash lying around.
testing
6

idea/plan

also test out to start to use an idea or plan to find out if it is correct or effective:
Dr Lee set up a series of experiments to test out this hypothesis.
test something against something
The theory was then tested against the results of the study.
7

test the water/waters

to check people's reaction to a plan before you decide to use it:
The government is clearly testing the water, to gauge the country's reactions to their proposals.

➔ tried and tested

at tried2
see usage note control2

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