photochromic
- adjective
- /ˌfoʊtəʊˈkroʊmɪk/
- Specialized
- The children wore photochromic glasses that darkened when exposed to sunlight, providing better protection for their eyes.
- photochromic lenses
Examples
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They can do a lot of sweet things that I've never seen done with a photochromic lens before.
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You've probably seen photochromic glass—glass that responds to light—in self-darkening sunglasses.
Blog text (4) -
The photochromic lenses automatically adjust to different light conditions, making them convenient for outdoor activities.
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With photochromic materials, the color of the fabric changes when you move from indoors to outdoors, offering a unique style.
Synonyms
Change color or darken when light gets brighter, for example in sunlight
Compounds
Lenses in glasses that automatically darken in sunlight and become clear in low light
Surface Forms
Morphology
photochromic = photo + chrom + ic
The form is fairly clear as photo- plus chrom- plus -ic, but the term is technical and not fully guessable for an average learner.
Etymology
Photochromic comes from the Greek parts photo- 'light' and chrom- 'color', the same parts you see in photograph and chromatic. So photochromic describes something that changes color when light hits it.