NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,893 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- placebo therapy
- listen (pluh-SEE-boh THAYR-uh-pee)
- An inactive treatment or procedure that is intended to mimic as closely as possible a therapy in a clinical trial. Also called sham therapy.