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
Examples of photochromic in a Sentence
Recent Examples on the Web
Zenni Transitions Gen 8 lenses use cutting-edge photochromic technology for quick adaptation to light changes.
—
Kasey Caminiti, USA TODAY, 16 Nov. 2024
And yes, photochromic transition lenses do already change tint automatically.
—Ben Coxworth, New Atlas, 5 Nov. 2024
Designed for bike racing, the Density is just as ideal for nordic skiing, thanks to its huge field of vision, arms made from soft-gripping rubber derived from castor beans that can be bent in multiple ways for a custom fit, and photochromic lenses that adjust to whatever light is on the trail.
—Stephanie Pearson, Outside Online, 10 Oct. 2024
The lenses are crafted from either photochromic crystal or polyamide to enhance UV protection.
—Max Berlinger, Robb Report, 26 Mar. 2024
See all Example Sentences for photochromic 
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Kasey Caminiti, USA TODAY, 16 Nov. 2024
And yes, photochromic transition lenses do already change tint automatically.
—Ben Coxworth, New Atlas, 5 Nov. 2024
Designed for bike racing, the Density is just as ideal for nordic skiing, thanks to its huge field of vision, arms made from soft-gripping rubber derived from castor beans that can be bent in multiple ways for a custom fit, and photochromic lenses that adjust to whatever light is on the trail.
—Stephanie Pearson, Outside Online, 10 Oct. 2024
The lenses are crafted from either photochromic crystal or polyamide to enhance UV protection.
—Max Berlinger, Robb Report, 26 Mar. 2024
See all Example Sentences for photochromic
Dictionary Entries Near photochromic
Cite this Entry
“Photochromic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photochromic. Accessed 21 Dec. 2024.
Copy CitationMedical 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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