How to Use ultrathin in a Sentence

ultrathin

adjective
  • These beams knocked boron atoms out of ultrathin sheets of boron nitride.
    — Neetika Walter, Interesting Engineering, 15 Sep. 2025
  • Wrap the ultrathin scarf tightly around your neck from the front to the back, then back to the front, and let the long ends hang loose.
    — Jana Ackermann, Glamour, 5 Apr. 2024
  • These chips will be meant for ultrathin laptops and range from 35 to 45 watts.
    — PCMAG, 5 Jan. 2023
  • The stretchy polyester fabric is ultrathin and comfortable but cuts the chill just enough on cold mornings.
    — The Editors, Outside Online, 4 Mar. 2021
  • The ultrathin graphene tattoos are soft and pliable, conforming to the skin’s grooves and ridges.
    — IEEE Spectrum, 3 Feb. 2025
  • The other was connected to the ultrathin gold ribbons and the e-tattoo.
    — Adithi Ramakrishnan, Dallas News, 16 Mar. 2023
  • To get the look, shape your natural nails as desired, apply a nude or light pink base, and trace the top of the nail in an ultrathin line.
    — Laura Solla, Glamour, 4 Feb. 2026
  • The cultural ideal for women is again ultrathin — but under a new banner of self-love.
    — Natasha Frost, New York Times, 1 May 2025
  • Despite its ultrathin exterior, we were kept pleasantly warm through the cold temps.
    — Alyssa Brascia, Peoplemag, 22 June 2023
  • These are ultrathin materials etched with tiny patterns.
    — Chris Young, Interesting Engineering, 22 Apr. 2026
  • And an all-new model, which is expected to be called the iPhone 17 Air, will have an ultrathin body.
    — Bloomberg, Mercury News, 5 Sep. 2025
  • But mostly, the scientists hope to use the ultrathin imaging device to study fatty plaques in the blood vessels and take images of aneurysms.
    — Courtney Linder, Popular Mechanics, 30 July 2020
  • Yes, the brand’s stylish intimates look great on any Instagram grid, but these ultrathin thong panties will become your new favorite pair.
    — Malia Griggs, Glamour, 11 Dec. 2024
  • Amazon This is our favorite ultrathin case in our guide to the Best iPhone 16 cases.
    — Simon Hill, Wired News, 31 Mar. 2025
  • This new episode documents the construction of an ultrathin skyscraper in New York.
    — Los Angeles Times, 6 Oct. 2021
  • The product is an ultrathin, absorbent liner designed to protect against period leaks.
    — Chris Bumbaca, USA TODAY, 30 Mar. 2023
  • In full-grain leather and mesh upper, these boots are warm but ultrathin and flexible, with a waterproof membrane that keeps water out and lets moisture out.
    — Alesandra Dubin, Travel + Leisure, 8 Dec. 2024
  • The key breakthrough comes from adding ultrathin ruthenium dioxide nanosheets to a standard tin-oxide sensing layer.
    — Bojan Stojkovski, Interesting Engineering, 1 Feb. 2026
  • The ultrathin gear was 3 millimeters thick, in contrast to the typical 40 millimeters for down coats.
    — Sj Studio, Sourcing Journal, 14 Aug. 2024
  • Unfortunately, that ultrathin design also meant the keys were prone to breaking or just not typing properly.
    — Wired, 20 July 2022
  • To boost the energy supply, an ultrathin solar cell was created and planted on the cockroach’s abdomen to overcome this issue.
    — Rupendra Brahambhatt, Ars Technica, 14 Oct. 2022
  • The system relies on two sets of Fresnel lenses, flat ultrathin structures similar to those in lighthouses.
    — Aamir Khollam, Interesting Engineering, 8 Sep. 2025
  • The team has created an ultrathin metasurface device that boosts nonlinear optical effects at the nanoscale.
    — Aamir Khollam, Interesting Engineering, 21 Nov. 2025
  • Those clumps were then injected into rat brains and after three months, the scientists threaded ultrathin fiber-optic cables into the rat brains so the researchers could beam in blue light.
    — Mark Johnson, Washington Post, 12 Oct. 2022
  • Blending into all skin tones almost seamlessly, Rael’s ultrathin patch offers a covert method for drawing out fluids and protecting the skin from dirt.
    — Jenny Berg, Vogue, 14 Sep. 2024
  • Hopkins’ team discovered that blasting an ultrathin layer of carbon and water molecules on the plate’s surface is what caused the initial thermal drop.
    — Darren Orf, Popular Mechanics, 2 Sep. 2023
  • This ultrathin device is flexible and performs as well as state-of-the-art UV photodetectors, says Xu.
    — IEEE Spectrum, 8 Dec. 2017
  • Most cracking or damage done to windows by a vacuuming robotic window cleaner is to ultrathin windows or to windows that have already been damaged in some way.
    — Bestreviews, Chicago Tribune, 11 Apr. 2025
  • This device delivers a particularly close shave for an electric razor, thanks to its three blades and ultrathin foil (the layer of metal mesh that covers the blades).
    — Abbie Kozolchyk, wsj.com, 12 Sep. 2023
  • The cells are the green squares and include an ultrathin layer of light-absorbing GaAs, which is key to their radiation tolerance.
    — Darren Orf, Popular Mechanics, 10 Nov. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultrathin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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