adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Radio having a wavelength greater than 1000 meters. uncountable

   "He likes to listen to BBC Radio 4 on longwave."

Adjective

1. 1
   Having a wavelength of greater than 1000 meters. not-comparable
2. 2
   Capable of transmitting or receiving signals at such a wavelength. not-comparable

Synonyms

All synonyms

carrierradio waveshortwavewavelength

Antonyms

All antonyms

light

Example

More examples

"He likes to listen to BBC Radio 4 on longwave."

Etymology

From long + wave.

Related phrases

radio frequency

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.