photochromic lens 1
rzeczownikdomena: artefakt
EnWordnet [ver.5.0]
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AngielskiDefinicja
An optical lens that darkens on exposure to specific types of light of sufficient intensity, most commonly ultraviolet (UV) radiation.
Przykłady
- 1.Typically, photochromic lenses darken substantially in response to UV light in less than one minute, and continue to darken a little more over the next fifteen minutes.
