ultrathin
Americanadjective
Etymology
Origin of ultrathin
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To keep making electronics smaller and more powerful, researchers are investigating ways to combine silicon with new ultrathin materials.
From Science Daily • Jun. 17, 2026
These include ultrathin broadband polarizers that control the direction of light in compact optical systems, as well as sub-diffractional waveguides capable of guiding light through spaces smaller than those allowed by conventional optics.
From Science Daily • Jun. 1, 2026
These emitters are made from stacked ultrathin metal layers.
From Science Daily • Mar. 17, 2026
It was a pioneer in developing glass fiber, in which threads of ultrathin glass are woven together like a fabric.
From The Wall Street Journal • Feb. 8, 2026
An ultrathin gold rope trailed from the fletching.
From "The Son of Neptune" by Rick Riordan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.