onlay

[ noun on-ley, awn-; verb on-ley, awn- ]
/ noun ˈɒnˌleɪ, ˈɔn-; verb ɒnˈleɪ, ɔn- /

noun

an overlay, especially one in relief.
Dentistry. an inlay that restores the occlusal surface of a tooth.

verb (used with object), on·laid, on·lay·ing.

to place or mount (an onlay) on a surface, especially for decorative purposes.

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"EVERYDAY" VS. "EVERY DAY" QUIZ: IS IT ONE WORD OR TWO?

An everyday activity is one you do every day. (Thanks, English.) Practice using "everyday," one word, and "every day," two words, in this fun quiz with … everyday example sentences!
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Origin of onlay

1875–80; on + lay1, after verb phrase lay on
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for onlay

  • It disturbs the breadth, which is so valuable a characteristic of onlay.

    Art in Needlework|Lewis F. Day
  • Couched cord or filoselle is useful in covering the raw edge of the onlay, not so much masking the joints as making them sightly.

    Art in Needlework|Lewis F. Day

Medical definitions for onlay

onlay
[ ŏnlā′ ]

n.

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