plural drug tests
Definition of drug test
1 : a test that examines a bodily specimen (as of urine, saliva, blood, or hair) for the presence of one or more usually illegal or banned substances (such as cocaine, methamphetamine, alcohol, or anabolic steroids) a positive drug test He was brandishing a shot-gun, and a drug test after his arrest revealed traces of PCP.— Alan Light When an athlete has been using EPO and faces a drug test, a standard way of passing it is to dilute his blood with a saline solution.— Samuel Abt … the one-year suspension California horse-racing officials gave him for a positive drug test on one of his horses while he was college student and part-time trainer.— Joe Drape
2 : a study and especially a clinical trial for testing a therapeutic agent The drug tests are blinded so that participating patients and doctors … don't know who is receiving the drug and who is receiving a placebo.— Rhonda L. Rundle
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