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Glite Dictionary
photochromic eyeglasses

photochromic eyeglasses

5.8
Glasses with lenses that get dark in sunlight and go clear indoors
  • noun
  • /ˌfoʊtəʊˈkroʊmɪk ˈaɪɡlæsɪz/
translation icon : gafas fotocromáticas
  • Photochromic eyeglasses darken automatically when I go outside into the sunlight.

Examples

  • Photochromic eyeglasses automatically adjust their tint when I walk outdoors.

  • Doctors recommend photochromic eyeglasses for people sensitive to bright light.

  • I bought a new pair of photochromic eyeglasses for my summer travels.

  • I just bought a pair of photochromic eyeglasses.

  • Have you tried photochromic eyeglasses for outdoor activities?

  • For outdoor sports, using photochromic eyeglasses helps protect my eyes from UV rays.

  • Many people prefer photochromic eyeglasses because they reduce glare while driving.

Synonyms

photochromic eyewear
vsphotochromic eyeglasses
6.1

Glasses whose lenses become dark in sunlight and clear indoors

is the same meaning expressed with different phrasing only
photochromic glasses
vsphotochromic eyeglasses
4.9

Lenses in glasses that automatically darken in sunlight and become clear in low light

is restricted to clearing indoors rather than in broader low light conditions

How Dark

sunglasses
166 1.0
photochromic eyeglasses
5.8
clear
866 1.0

Surface Forms

photochromic eyeglasses singular
photochromic eyeglasses plural

Morphology

photochromic + eyeglass

Given knowledge of 'photochromic' (materials that change hue in response to light) and 'eyeglass', a learner can directly infer this refers to glasses whose lenses darken in sunlight and clear indoors. The adjective+noun composition is regular and compositional, so the overall meaning follows transparently from the parts.

Etymology

Photochromic eyeglasses is named for what the lenses do: photo means 'light' and chromic means 'color', so the lenses change color when the light changes. That's why these glasses 'darken' in sunlight and return 'clear' indoors.