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