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au·di·ble (ôdə-bəl)
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adj.
That is heard or that can be heard.
n.
Football An offensive play or defensive formation called at the line of scrimmage just before the snap, usually as an adjustment to the opposing team's formation. Also called automatic.
v. aud·i·bled, aud·i·bling, aud·i·bles
Football
v.tr.
To call (an audible) at the line of scrimmage.
v.intr.
To call an audible.
[Late Latin audībilis, from Latin audīre, to hear; see au- in the Appendix of Indo-European roots.]
au′di·bili·ty, audi·ble·ness n.
audi·bly adv.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 

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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