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
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Oceans account for only a thin film of water on the surface. Kurt Snibbe, Oc Register, 8 May 2026 The synthesis process consists of mixing bismuth ferrite with barium titanate to carefully engineer a strain, then growing the mixture as a thin film on a substrate that distorts its crystal structure. Ameya Paleja, Interesting Engineering, 29 Apr. 2026 For concrete or tile, a mild cleaner helps cut through the thin film of pollen and grime that builds up over time. Lauren Jarvis-Gibson, Sacbee.com, 27 Apr. 2026 Glass patio doors are one of the best features a home can have — until they’re covered in smudges, water spots and a thin film of grime that makes the outdoors look overcast even on a sunny day. Lauren Jarvis-Gibson, Miami Herald, 27 Apr. 2026 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 15 May. 2026.

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