How to Use photochemical in a Sentence

photochemical

adjective
  • Most of these substances form as solids, which must then rain down on the surface in the form of a kind of photochemical smog.
    — The Physics Arxiv Blog, Discover Magazine, 15 Jan. 2024
  • The Link printers use instant film for glossy photochemical prints.
    — Jim Fisher, PCMAG, 27 Oct. 2022
  • Some methane comes from photochemical reactions in their foliage.
    — Fred Pearce, WIRED, 9 July 2019
  • This is a big improvement from the team’s previous work trying to induce a photochemical reaction in crystalline solids.
    — Darren Orf, Popular Mechanics, 23 Aug. 2023
  • The photochemical restoration edition will be available on DVD and Blu-ray this fall.
    — Michael Phillips, chicagotribune.com, 9 May 2018
  • The camera includes more than a dozen tasteful, but characterful, tones that draw inspiration from photochemical film stocks.
    — PC Magazine, 4 Sep. 2025
  • Otherwise, the three printers provide the same glossy, colorful prints using photochemical film.
    — PCMAG, 14 Aug. 2024
  • The museum made a black and white photochemical preservation in 1980.
    — Mike Barnes, HollywoodReporter, 29 Jan. 2026
  • Each star emits a unique spectrum of light that interacts with the atmospheres of orbiting planets and causes photochemical reactions.
    — Meghan Herbst, Wired, 4 Mar. 2021
  • Professor Lu says the hole took us so long to notice because it wasn’t expected to exist based on conventional photochemical models.
    — Joshua Hawkins, BGR, 6 July 2022
  • The re-release of the 50-year-old film was accomplished through an entirely photochemical process overseen by Christopher Nolan.
    — Charles Champlin, latimes.com, 17 May 2018
  • On Earth, the atmosphere’s protective ozone layer is created in a similar way from heat and sunlight in a photochemical reaction.
    — Taylor Nicioli, CNN, 24 Nov. 2022
  • Basically, this means that birds have photoreceptors in their eyes that are sensitive to radical pairs’ photochemical reactions.
    — Daisy Hernandez, Popular Mechanics, 6 Apr. 2022
  • By comparison, our standard contact printers for photochemical preservation run at 80 frames per second (fps).
    — Chuck Thompson, Popular Mechanics, 23 May 2019
  • Not the good, high-altitude ozone that shields us from dangerous UV light, but bad ozone, hovering right above ground level — stinking, brownish, grayish photochemical smog.
    — Patt Morrison, Los Angeles Times, 26 Mar. 2026
  • Smog, or ground-level ozone, in technical terms, is produced through a photochemical reaction where nitrogen oxides and volatile organic compounds react with each other in sunlight.
    — Justine Calma, The Verge, 12 Feb. 2024
  • And now, sunlight has a critical role, because the many, many photochemical reactions that are needed, at least in the Sutherland chemistry, to bring you up to the level of nucleotides, amino acids, lipids.
    — Quanta Magazine, 1 June 2022
  • This company also promises full transparency by listing its products’ photochemical analysis reports on their website.
    — Amber Smith, Discover Magazine, 16 Oct. 2022
  • Scientists say rising temperatures from climate change will make smog tougher to control by boosting the photochemical reactions that generate ozone pollution.
    — Tony Barboza, latimes.com, 30 Apr. 2018
  • The team used photochemical methods to graft the cavitand receptors onto the surface of a micrometre-scale silicon microcantilever.
    — Simon Hadlington, Scientific American, 19 June 2014
  • The molecules likely originally formed through photochemical reactions in ice in outer space before our solar system even existed, Oba said.
    — Ashley Strickland, CNN, 21 Mar. 2023
  • Friend and Berger looked to war photography for inspiration, less for the photochemical rendition of the work than for the shocking nature of how bodies were twisted and had a ragdoll quality to them.
    — Partner Content, Variety, 29 Dec. 2022
  • That's because hotter weather speeds up the photochemical reactions that turn pollutants from vehicle tailpipes and other sources into ozone, the invisible, lung-damaging gas in summer smog.
    — Susanne Rust and Tony Barboza Los Angeles Times, Star Tribune, 13 Sep. 2020
  • Determining the photochemical reactions happening in a faraway atmosphere takes an advanced and extremely fine-tuned telescope fit with a spectrograph.
    — Meghan Herbst, Wired, 4 Mar. 2021
  • In the upper atmospheres of both worlds, photochemical reactions from the Sun destroy ammonia, creating nitrogen gas and hydrogen.
    — Ethan Siegel, Forbes, 25 June 2021
  • Although some of the pollution consists of ozone, the photochemical product of local air pollution, smoke from the Northern Territories is also contributing.
    — Tom Yulsman, Discover Magazine, 2 July 2014
  • But these materials also present a challenge for conservationists, since the materials tend to undergo color changes and structural damage due to photochemical reactions.
    — Jennifer Ouellette, Ars Technica, 21 May 2020
  • For example, a brownish-haze called photochemical smog forms in Los Angeles when nitrogen oxide from car exhaust reacts with sunlight in Earth's lower atmosphere.
    — Elizabeth Gamillo, Smithsonian Magazine, 8 Feb. 2022
  • By the end of the 1700s, scientists had realized that silver chloride and silver nitrate would darken when exposed to light, a photochemical effect that would soon make photography possible.
    — Jennifer Ouellette, Ars Technica, 12 June 2019
  • When the storm is continually hit by direct sunlight, however, those smoky haze particles within the storm from a photochemical reaction in the atmosphere, returning the north polar hexagon to a soft golden hue that resembles the rest of the planet.
    — Jay Bennett, Popular Mechanics, 11 Sep. 2017

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'photochemical.' 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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