We found 13 dictionaries that define the word sound waves:

General (8 matching dictionaries)

1. sound waves: Merriam-Webster
2. sound waves: Collins English Dictionary
3. sound waves: Vocabulary.com
4. sound-waves: Wordnik
5. sound waves: Cambridge Advanced Learner's Dictionary
6. sound waves: Wiktionary
7. Sound Waves, Sound waves: Wikipedia, the Free Encyclopedia
8. Sound waves: TheFreeDictionary.com

Business (1 matching dictionary)

9. Sound waves: Legal dictionary

Computing (1 matching dictionary)

10. Sound waves: Encyclopedia

Medicine (3 matching dictionaries)

11. sound waves: Merriam-Webster Medical Dictionary
12. Dorland's Illustrated Medical Dictionary (No longer online)
13. sound waves: Medical dictionary

(Note: See sound_wave as well.)

Definitions from Wiktionary (sound wave) ▸ noun:  (physics) The longitudinal wave of pressure that is transmitted through any plastic material; audible sound. ▸ Also see sound_wave Phrases: the sound of waves, sound of waves, rebounding sound waves, sound of ocean waves, more... ▸ Words similar to sound waves ▸ Usage examples for sound waves ▸ Idioms related to sound waves ▸ Wikipedia articles (New!) ▸ Words that often appear near sound waves ▸ Rhymes of sound waves ▸ Invented words related to sound waves