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Pronunciation varies by accent · noun
(physics, astronomy) The physics of the Sun and its interactions with objects within the heliosphere.
Use heliophysics when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heliophysics means (physics, astronomy) The physics of the Sun and its interactions with objects within the heliosphere.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heliophysics where its definition matches the intended context.
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