actinic glass

noun

: glass that transmits light of high visibility (such as green) but reduces the intensity of both infrared and ultraviolet and is often used for protecting the eyes of industrial workers

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of actinic glass was in 1864

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Cite this Entry

“Actinic glass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinic%20glass. Accessed 24 Jul. 2024.

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