interlayer

1 of 2

verb

in·​ter·​lay·​er ˌin-tər-ˈlā-ər How to pronounce interlayer (audio)
-ˈler
interlayered; interlayering
1
transitive : to insert (something) between or as if between other layers : to arrange (something) in alternating parts or layers
… this production interlayered scenes from both operas, switching the action back and forth …Jeremy Eichler
… a kind of rice pudding, interlayered with jam and topped with puff pastry …Harry Wallop
2
intransitive : to lie or settle in layers between other layers
… as the lenses [of celestite] become larger and more abundant, they interlayer and form a single continuous bed.Douglas L. Rickman
interlayering noun
plural interlayerings
the interlayering of different sediments

interlayer

2 of 2

noun

plural interlayers
: a layer placed between other layers
This glass is created by fusing two glass sheets with a plastic interlayer.AISGlass.com

Word History

First Known Use

Verb

1816, in the meaning defined at sense 1

Noun

1936, in the meaning defined above

Time Traveler
The first known use of interlayer was in 1816

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Cite this Entry

“Interlayer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interlayer. Accessed 30 Jun. 2026.

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