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sidero- +‎ -scope


sideroscope (plural sideroscopes)

  1. An instrument for detecting small quantities of iron in any substance by means of a delicate assembly of magnetic needles.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.