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Pronunciation varies by accent · noun
The study of the interaction of light with substances or living organisms.
Use photodynamics when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Photodynamics means The study of the interaction of light with substances or living organisms.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use photodynamics where its definition matches the intended context.
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