a laboratory test of a new drug or a new invasive medical device on animal subjects; conducted to gather evidence justifying a clinical trial
relating to solving problems by experience rather than theory
trying out various means or theories until error is satisfactorily reduced or eliminated
of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared
the act of testing something
trying something to find out about it
the act of undergoing testing
(law) the determination of a person's innocence or guilt by due process of law
an annoying or frustrating or catastrophic event
(sports) a preliminary competition to determine qualifications
