单词	photochromic
释义	photochromic adjective pho·​to·​chro·​mic ˌfō-tə-ˈkrō-mik  1 : capable of changing color on exposure to radiant energy (such as light) photochromic glass 2 : of, relating to, or utilizing the change of color shown by a photochromic substance a photochromic process photochromism ˌfō-tə-ˈkrō-ˌmi-zəm  noun Example Sentences Recent Examples on the Web The photochromic lenses available on Ray-Ban's blue light glasses shift in tint throughout the day depending on lighting, and are fitted with anti-reflective treatments and UV filters for additional protection. Zee Krstic, Good Housekeeping, 9 Sep. 2022 Smith offers the Pathway with Chromapop lenses for ultra-vibrant views, as well as a version with photochromic clear-to-gray lenses that are well suited to rides that may stretch from day into night. Josh Patterson, Outside Online, 28 Sep. 2020 Light conditions change all the time during a long run—from forest gloam to bright sun—so splurge on Julbo’s photochromic Reactiv lens. Christopher Solomon, WSJ, 29 Mar. 2022 Inspired by Lazzarini's Royal Jet Capsule, a 7.6-meter-long and 3.3-meter-wide yacht pod, the vessel has a black, gray and green exterior and features photochromic glass surfaces. Tamara Hardingham-gill, CNN, 15 Mar. 2022 Some possible countermeasures include photochromic lenses, redundancy and near-infrared cutoff filters that could provide adequate protection. John Giordani, Forbes, 10 Dec. 2021 Reactiv Photochromic Sunglasses Rather than listening to them complain about their sunglasses being too dark or too blinding, get them a pair with photochromic lenses that adjust automatically to changing light. Matt Jancer, Wired, 20 Nov. 2021 Both styles feature carbon fiber frames and bridge details, as well as mirrored, polarized, photochromic lenses that adjust when going from light to dark environments. Todd Plummer, Robb Report, 16 Sep. 2021 More importantly, the photochromic lens gets darker or lighter to adapt to the day’s brightness and has all-important anti-fog qualities. Terry Ward, Condé Nast Traveler, 29 Jan. 2020 See More Word History Etymology phot- + chrom- + -ic entry 1 First Known Use 1881, in the meaning defined at sense 1 Medical Definition photochromic 1 of 2 adjective pho·​to·​chro·​mic ˌfōt-ə-ˈkrō-mik  1 : capable of changing color on exposure to radiant energy (as light) eyeglasses with photochromic lenses 2 : of, relating to, or utilizing the change of color shown by a photochromic substance a photochromic process photochromic 2 of 2 noun : a photochromic substance —usually used in plural
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