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Pronunciation varies by accent · noun
(physics) The change in the energy (and thus frequency) of light upon interaction with matter..
Use lightshift when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Lightshift means (physics) The change in the energy (and thus frequency) of light upon interaction with matter..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use lightshift where its definition matches the intended context.
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