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photochromic

 

Definitions from the Web

Term: Photochromic

Part of Speech: Adjective

Sense 1: Referring to a substance or material that changes its color when exposed to light, especially ultraviolet radiation.

Usage: Photochromic lenses are often used in eyeglasses and sunglasses to provide protection from sunlight.

Example Sentence: The photochromic sunglasses darkened when I stepped outside, protecting my eyes from the bright sunlight.

Sense 2: Relating to or denoting a type of photography process that produces color prints from black and white negatives.

Usage: The photochromic process was popular during the late 19th and early 20th centuries to create color postcards.

Example Sentence: The photochromic technique transformed the black and white image into a stunning color print.

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