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definitions

ground wave

noun
  1. a radio wave that propagates on or near the earth's surface and is affected by the ground and the troposphere.

Origin of ground wave

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ground wave

ground wave

ground ray

noun
  1. a radio wave that travels directly between a transmitting and a receiving aerialCompare sky wave
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