thin film

noun

: a very thin layer of a substance on a supporting material
especially : a coating (as of a semiconductor) that is deposited in a layer one atom or one molecule thick

Examples of thin film in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There are currently three main types of panels in today’s market which includes monocrystalline, polycrystalline and thin film panels. Dianne Plummer, Forbes.com, 22 Aug. 2025 The secret to the makeup product’s staying power is found in a unique water-in-oil emulsion that fuses a thin film of color onto the skin. Jenny Berg, Allure, 20 Aug. 2025 Nanograins and Nanopores The new technique starts with depositing a thin film of copper on top of a sapphire wafer inside a chamber filled with high-density plasma. IEEE Spectrum, 18 Aug. 2025 The participants’ pores filled in an average of 5 minutes (in comparison to the average of 15 minutes from the first sweat test) and then formed a thin film, without creating puddles first. Sam Walters, Discover Magazine, 25 July 2025 See All Example Sentences for thin film

Word History

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of thin film was in 1944

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Cite this Entry

“Thin film.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thin%20film. Accessed 6 Sep. 2025.

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