identifying the nature or cause of some phenomenon

a physician skilled in the diagnosis and treatment of allergies

a blood test used to identify unknown antigens; blood with the unknown antigen is mixed with a known antibody and whether or not agglutination occurs helps to identify the antigen; used in tissue matching and blood grouping and diagnosis of infections

centesis of the belly to remove fluid for diagnosis

a medical doctor specializing in the diagnosis and treatment of diseases of the eye

a radiogram made by exposing photographic film to X rays; used in medical diagnosis

The branch of medicine that deals with the diagnosis and treatment of injury, deformity, and disease by the use of instruments, The period during which a physician, dentist, or veterinarian consults with or treats patients in the office, medicine A procedure involving major incisions to remove, repair, or replace a part of a body

the branch of medicine dealing with the diagnosis and treatment of mental disorders, medicine The branch of medicine that subjectively diagnoses, treats, and studies mental illness and behavioural conditions

a substance that is used as a medicine or narcotic, any substance intended for use in the treatment, prevention, diagnosis, or cure of disease, especially one listed in the official pharmacopoeia published by a national authority, A drudge, verb_ use recreational drugs, administer a drug to, intransitive verb_ obsolete To drudge; to toil laboriously, To prescribe or administer drugs or medicines, transitive verb_ To affect or season with drugs or ingredients; esp, to stupefy by a narcotic drug Also Fig, To dose to excess with, or as with, drugs

Serving to identify a particular disease; characteristic, characteristic of a particular disease, concerned with diagnosis; used for furthering diagnosis, noun_ The mark or symptom by which one disease is known or distinguished from others, A symptom or a distinguishing feature serving as supporting evidence in a diagnosis, An instrument or technique used in medical diagnosis