A vision test using a Snellen chart.

plural of Guthrie test

A screening test done on newborns, involving the collection of blood from a pinprick puncture in the heel.

An informal survey that assesses the participant's supposed degree of innocence in worldly matters, such as sex, drugs, and deceit.

plural of purity test

(aviation) An aviator who flies new and modified aircraft in specific maneuvers.

A qualitative test for cottonseed oil, based on the fact that this oil imparts a maroon colour to an alcoholic solution of silver nitrate.

A method for testing human response, in which the testee is given little or no specific information about the object under test; used e.g. for testing medicines and food products.

A test of the bursting strength of corrugated board under pressure.

plural of Snellen test