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Pronunciation varies by accent · noun
(historical) An instrument for detecting small quantities of iron in any substance by means of a delicate assembly of magnetic needles..
Use sideroscope when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sideroscope means (historical) An instrument for detecting small quantities of iron in any substance by means of a delicate assembly of magnetic needles..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use sideroscope where its definition matches the intended context.
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