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

  • noun (Elec.) Any device for detecting the presence of electric waves. The influence of electric waves on the resistance of a particular kind of electric circuit, on the magnetization of steel, on the polarization of an electrolytic cell, or on the electric condition of a vacuum has been applied in the various cymoscopes.

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

  • noun A detector of electromagnetic waves.


from Wiktionary, Creative Commons Attribution/Share-Alike License

First attested as cymatoscope in 1903 and as cymoscope in 1905; formed as cȳm- (the short stem of the Latin cȳma, from the Ancient Greek κῦμα, kūma, “wave”) + -o- +‎ -scope. Cymatoscope is philologically prescribed in place of cymoscope because it preserves the long stem (κῡμᾰτ-, kūmat-) of its ultimate Ancient Greek etymon, which properly does not form compounds on its short stem (κῡμ-, kūm-).


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