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onlay

[n. on-ley, awn-; v. on-ley, awn-] /n. ˈɒnˌleɪ, ˈɔn-; v. ɒnˈleɪ, ɔn-/
noun
1.
an overlay, especially one in relief.
2.
Dentistry. an inlay that restores the occlusal surface of a tooth.
verb (used with object), onlaid, onlaying.
3.
to place or mount (an onlay) on a surface, especially for decorative purposes.
Origin
1875-1880
1875-80; on + lay1, after verb phrase lay on
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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onlays in Medicine

onlay on·lay (ŏn'lā')
n.

  1. A cast restoration, usually made of gold, that is attached to the occlusal surface of a tooth.

  2. A bone graft applied to the exterior surface of the bone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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