plural of blood test

(US, television) A test signal, typically broadcast at times when the transmitter is active but no program is being broadcast.

An official test to determine if someone has taken alcohol or drugs by testing a sample of their exhaled breath.

plural of breath test

(obsolete, biochemistry) A test for the presence of bile pigments in urine in which a solution of iodine produces a bright green colouration

a piece of test equipment that determines whether a woman, or by extension, a female animal is pregnant

plural of Abel test

(chemistry, usually capitalized) A test to determine the flash point of a volatile oil. / (chemistry, usually capitalized) A test for the stability of smokeless powder and similar explosives.

plural of unit test

A stress test in which a system is subjected to a significant load over a significant period of time, to discover how the system behaves under sustained use.