mesologarithm

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English

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Etymology

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From meso- +‎ logarithm.

Noun

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mesologarithm (plural mesologarithms)

  1. (mathematics, obsolete) A logarithm of the cosine or cotangent.
    • 1939, Johannes Kepler, translated by Charles Glenn Wallis, Epitome of Copernican Astronomy:
      […] the antilogarithm of the greatest inclination is added to the mesologarithm of the argument, and thus the sum will be the mesologarithm of the argument of the reduction.
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