logarithmicaladj.
/lɒɡəˈrɪθmɪkəl//lɒɡəˈrɪðmɪkəl/ = logarithmic adj. logarithmical scales (see quot. 17281).
ΘΚΠ
the world > relative properties > number > arithmetic or algebraic operations > logarithm > [adjective]
logarithmetical1621
loga1630
logarithmal1630
logarithmical1631
logarithmic1698
logarithmetic1721
the world > relative properties > number > arithmetic or algebraic operations > logarithm > [adjective] > of particular functions
logarithmical1631
logarithmic1754
the world > relative properties > number > mathematical instruments > [noun] > arithmetical instrument > sliding ruler
slide rule1663
sliding rule1663
sliding gauge1683
sliding scale1706
logarithmical scales1728
nonius1732
1631 H. Briggs (title) Logarithmicall Arithmetike.
1666 Philos. Trans. 1665–6 (Royal Soc.) 1 215 The Logarithmical Tangent-line.
1728 E. Chambers Cycl. at Proportion Logarithmical Scales, are the Artificial Numbers or Logarithms, placed on Lines, for the Ease and Advantage of Multiplying, Dividing, &c. by means of Compasses, or of Sliding-Rules.
1728 H. Pemberton View Sir I. Newton's Philos. 145 That line..which is now commonly known by the name of the logarithmical curve.
1800 Philos. Trans. (Royal Soc.) 90 150 The inner circle L is divided into 30103 parts, corresponding with the logarithmical parts of an octave.
1814 J. Playfair Outl. Nat. Philos. II. i. iii. 47 Formulas..more convenient for logarithmical calculation.
1839 H. Hallam Introd. Lit. Europe IV. viii. 7 Thus reducing the error, which, strictly speaking, must always exist from the principle of logarithmical construction, to an almost infinitesimal fraction.
Derivatives
logaˈrithmically adv. by the use of logarithms; in logarithmic proportions.
ΘΚΠ
the world > relative properties > number > arithmetic or algebraic operations > logarithm > [adverb]
logarithmically1761
logarithmetically1775
1761 H. Pemberton in Philos. Trans. 1760 (Royal Soc.) 51 923 The present methods of computing logarithmically an angle from the three sides of a spherical triangle given.
1828 O. Gregory Hutton's Course Math. (ed. 9) II. 328 Expressing this equation logarithmically.
1875 W. S. Jevons Money xxiv. 332 The ratios in which their gold pieces have changed would be calculated logarithmically.
This entry has not yet been fully updated (first published 1903; most recently modified version published online December 2021).
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adj.1631