A test that measures a binary value without error.

fluorine dating

A sample driving session in a motor vehicle, in order to assess its quality before purchase. / (figuratively) Any preliminary assessment of something through use.

To take a motor vehicle on the road to assess its quality before purchase. / (figuratively) To make a preliminary assessment of something through its use.

(mathematics) any statistical hypothesis test in which the test statistic has a chi-square distribution if the null hypothesis is true

(chemistry) A simple test for the acidity or alkalinity of a substance, using litmus paper.

any of several tests to measure a specific reaction between antigen and antibody which results in a visible precipitate

a supposed test for witchcraft in which a hot iron was applied to the skin (or the tongue) - the skin of a witch would be unharmed

Any chemical check for the presence of (usually illegal) drugs in a sample of one's blood, hair or urine.

(transitive) To perform a drug test; the check for the presence of illegal drugs in a sample of blood, hair or urine.