We found 10 dictionaries that define the word speed of sound:

General (3 matching dictionaries)

1. speed of sound: Wiktionary
2. Speed of Sound (Anvil album), Speed of Sound (Nick Phoenix album), Speed of Sound (roller coaster), Speed of Sound (song), Speed of Sound, Speed of sound (disambiguation), Speed of sound, The Speed of Sound (album): Wikipedia, the Free Encyclopedia
3. speed of sound: TheFreeDictionary.com

Computing (1 matching dictionary)

4. speed of sound: Encyclopedia

Science (2 matching dictionaries)

5. Speed of Sound: Eric Weisstein's World of Physics
6. SPEED OF SOUND: Zoom Astronomy Glossary

Slang (1 matching dictionary)

7. Speed Of Sound, The Speed of Sound: Urban Dictionary

Tech (3 matching dictionaries)

8. Glossary of Meteorology (No longer online)
9. PUMP AND SEAL TERMS (No longer online)
10. Rane Professional Audio Reference (No longer online)

Definitions from Wiktionary (speed of sound) ▸ noun:  (physics) The speed at which sound is propagated through some medium under specified conditions. Similar: speed, phase velocity, lightspeed, Mach number, speed of light, slowness, rapidity, Planck velocity, traveltime, light speed, more... Opposite: subsonic, slower thsound Phrases: Wings at the Speed of Sound, Speed of the Sound of Loneliness, speed of sound word, more... ▸ Words similar to speed of sound ▸ Usage examples for speed of sound ▸ Idioms related to speed of sound ▸ Wikipedia articles (New!) ▸ Words that often appear near speed of sound ▸ Rhymes of speed of sound ▸ Invented words related to speed of sound