photodarkening
The darkening of certain materials under the action of laser lightThe darkening of certain materials under the action of laser light
Meaning
1 senses(uncountable)The darkening of certain materials under the action of laser light
Origin
From photo- + darkening.From photo- + darkening.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable