Any technique used in medical diagnosis.
That by which anything is known; a symptom.
Any tool or technique used to find the root of a problem.
Characteristic of a particular disease.
Serving to indicate or specify a particular item or thing within a group of similar things.
Of, or relating to diagnosis.
Intended to assess a student's preexisting knowledge on the material being taught.
The act of conducting a test; trialing, proving.
Difficult; tough.