underlayer

American  

[uhn-der-ley-er] / ˈʌn dərˌleɪ ər /

noun

1. a layer lay layer lying beneath another; substratum.

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Etymology

Origin of underlayer

First recorded in 1895–1900; under- + layer

Example Sentences

However hateful Ava and Deborah may behave toward each other, their scorn carries an underlayer of heartbreak, reminding us of the profound, twisted love beneath their venom.

From Salon • Apr. 10, 2025

Through the centuries, the unisex garment evolved from an underlayer for the upper class to become outerwear, sashed with an obi but featuring smaller sleeves that aided physical activity — helpful for the samurai warriors.

From Los Angeles Times • Jun. 17, 2024

Suits coats were double-breasted, with a silken underlayer providing contrast.

From Seattle Times • Jan. 13, 2024

Unseen is an underlayer of copper plating to control sound and feel.

From Golf Digest • Oct. 17, 2019

It is made up of two layers—a thick underlayer which contains blood vessels, nerves, and glands, and a thin surface layer, called the epithelium.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.