We found 22 dictionaries that define the word long wave:

General (18 matching dictionaries)

1. long wave: Longman Dictionary of Contemporary English
2. long wave: Oxford Learner's Dictionaries
3. long wave: American Heritage Dictionary of the English Language
4. long-wave, long-wave, long wave: Collins English Dictionary
5. long wave: Vocabulary.com
6. long-wave: Wordnik
7. long wave: Cambridge Advanced Learner's Dictionary
8. long wave: Wiktionary
9. long wave: The Wordsmyth English Dictionary-Thesaurus
10. long wave: Infoplease Dictionary
11. long-wave, long wave: Dictionary.com
12. Long Wave, Long wave: Wikipedia, the Free Encyclopedia
13. long wave: Rhymezone
14. long wave: FreeDictionary.org
15. long wave: Mnemonic Dictionary
16. Long-wave, long wave: TheFreeDictionary.com

Business (1 matching dictionary)

17. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

18. Long-wave, long wave: Encyclopedia

Slang (1 matching dictionary)

19. Long wave: Urban Dictionary

Tech (1 matching dictionary)

20. Glossary of Meteorology (No longer online)

(Note: See long_waves as well.)

Definitions from Wiktionary (long wave) ▸ noun:  a radio wave of over 1 kilometre in length, having a frequency less than 300 kHz. Similar: shortwave, radio wave, short wave, waveband, lightwave, continuous wave, wavelength, radio frequency, infrared, light wave, more... Opposite: short wave, high frequency Types: radio waves, infrared waves, microwaves, terahertz waves, submillimeter waves, radar waves, TV waves, cellular waves, more... Phrases: long wave infrared, more... ▸ Words similar to long wave ▸ Usage examples for long wave ▸ Idioms related to long wave ▸ Wikipedia articles (New!) ▸ Words that often appear near long wave ▸ Rhymes of long wave ▸ Invented words related to long wave