: a darkroom lamp with a filter to screen out rays that are harmful to sensitive film or paper
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“Safelight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/safelight. Accessed 3 Jul. 2025.
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safelight
noun
safe·light
ˈsā-ˌflīt 
: a darkroom lamp with a filter to screen out light that is harmful to film or paper
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