from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A device, such as a photoelectric cell, that receives and responds to a signal or stimulus.

from The Century Dictionary.

  • Sensory.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Sensory.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A device or organ that detects certain external stimuli and responds in a distinctive manner.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner


from Wiktionary, Creative Commons Attribution/Share-Alike License

Originated 1925–30 from sense + -or.


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