(programming) An object or procedure that looks and behaves like its release-intended counterpart, but is actually a simplified version to reduce complexity and facilitate testing.

A test to determine whether someone is susceptible to diphtheria by injecting them with small amounts of toxin.

plural of Test match

plural of rete testis

present participle of brake test

A test to ensure that the brakes of a vehicle are working correctly.

(motor racing) To deliberately brake in unusual places to hinder or startle the person behind.

(marketing) An instance of A/B testing.

plural of test run

plural of test portion