NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,777 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.
- assistive device
- listen (uh-SIS-tiv dee-VISE)
- A tool that helps a person with a disability to do a certain task. Examples are a cane, wheelchair, scooter, walker, hearing aid, or special bed.