detector[dē tek′tər, di-; also, esp.for 2 & 3, dē′tek′-]
detector definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- a person or thing that detects
- an apparatus or device for indicating the presence of something, as electric waves
detector definition by American Heritage Dictionary
One that detects, especially a mechanical, electrical, or chemical device that automatically identifies and records or registers a stimulus, such as an environmental change in pressure or temperature, an electric signal, or radiation from a radioactive material.