What does light ray mean?
Light ray means (physics) A ray of light..
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Pronunciation varies by accent · noun
(physics) A ray of light..
Use light ray when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Light ray means (physics) A ray of light..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use light ray where its definition matches the intended context.
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