thin film


Definition of thin film

: 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 Besides getting rid of any lingering germs, this could help stop your glasses from fogging up when wearing a mask, as the soap leaves behind a thin film that prevents mist from gathering on the lenses. 3. Jessica Bennett, Better Homes & Gardens, "4 Essential Face Mask Hacks You Need to Know if You Wear Glasses," 15 May 2020 But that thin film of doubt encased a deeper sense of confidence. Nick Moyle,, "For Texas and Shaka Smart, signing of Greg Brown III years in the making," 2 May 2020 That's because the soap acts as a surface active agent, or surfactant, and leaves behind a thin film that helps prevents fog. Juliana Labianca, Good Housekeeping, "How to Avoid Foggy Glasses When Wearing a Face Mask, According to an Ophthalmologist," 28 Apr. 2020 Scientists have also made super-cool thin films from polydimethylsiloxane (PDMS), a silicone material found in products such as lubricants, hair conditioners and Silly Putty, by spraying it onto a reflective backing. Scientific American, "The Supercool Materials That Send Heat to Space," 17 Feb. 2020 Some of this work is done using hBN grown by methods that produce lower-quality samples, such as depositing the crystal in a thin film from a chemical vapour, which doesn’t require high pressures. Mark Zastrow, Scientific American, "The Crystal Kings," 26 Nov. 2019 Get an oven safe pan hot with a thin film of oil, place the cod skin side up in the oil and sear for a minute or two, just to lightly brown/blacken. Michael Russell, oregonlive, "Two of Portland’s most celebrated chefs will offer free online cooking tutorials during coronavirus pandemic," 26 Mar. 2020 Splotches and blank spots on the sample holder, or grid, indicated that the thin films of ice didn’t completely form. Eric Hand, Science | AAAS, "‘We need a people’s cryo-EM.’ Scientists hope to bring revolutionary microscope to the masses," 23 Jan. 2020 But those materials are usually thin films grown atop structural supports. Robert F. Service, Science | AAAS, "‘Frankenstein’ material can self-heal, reproduce," 15 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thin film.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thin film

1944, in the meaning defined above

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The first known use of thin film was in 1944

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Last Updated

29 May 2020

Cite this Entry

“Thin film.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2020.

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