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underlayer

[ uhn-der-ley-er ]
/ ˈʌn dərˌleɪ ər /
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noun
a layer lying beneath another; substratum.
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Origin of underlayer

First recorded in 1895–1900; under- + layer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use underlayer in a sentence

  • On some votive stones the characters were red, cut out in round pieces of granite with a white underlayer.

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