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au·di·o

(ôdē-ō′)

adj.

1. Of or relating to recorded, transmitted, or reproduced sound.

2. Of or relating to humanly audible sound.

n. pl. au·di·os

1. Recorded or reproduced sound.

2. Audible sound.

3. A sound signal or recording.

4. The part of television or movie equipment that has to do with sound.

[From AUDIO-.]

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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