A means of combating coronavirus by taking samples from individuals and instructing those who are infected to isolate themselves from others and provide details of their recent close contacts, who are also told to isolate.

A test in which different users or consumers are presented with different versions of something, to measure the success rate of each one.

(transitive) To try or experiment with (something or someone) in order to see if it works, is true, or is successful.

A trial; an experiment to see how or whether something works; the act of testing something out. / A placement test that allows someone to skip a course.

plural of test out

(Australia) Synonym of RAT (“rapid antigen test”)

(endocrinology) A test for whether a substance should be considered a male sex hormone. / (historical) A method of determining racial identity, based on how easily a comb passes through a person's hair.

(US, law) A legal test that is used to determine whether the use of a celebrity's name in the title of a creative work infringes on that celebrity's trademark rights.

(business, Canada, US) A method of asking open-ended questions to consumers about a product or business idea, in order to gain honest feedback.

Alternative form of Test match