wavemeter

[weyv-mee-ter]

noun

a device for measuring the wavelength or frequency of a radio wave.

Origin of wavemeter

First recorded in 1900–05; wave + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for wavemeter

wavemeter

noun

an instrument for measuring the frequency or wavelength of radio waves
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012