Proportional logarithms
Proportional Pro*por"tion*al, a. [L. proportionalis: cf. F. proportionnel.] 1. Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional. --Milton. [1913 Webster]

2. Relating to, or securing, proportion. --Hutton. [1913 Webster]

3. (Math.) Constituting a proportion; having the same, or a constant, ratio; as, proportional quantities; momentum is proportional to quantity of matter. [1913 Webster]

{Proportional logarithms}, logistic logarithms. See under {Logistic}.

{Proportional scale}, a scale on which are marked parts proportional to the logarithms of the natural numbers; a logarithmic scale.

{Proportional} {scales, compasses, dividers}, etc. (Draughting), instruments used in making copies of drawings, or drawings of objects, on an enlarged or reduced scale. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Proportional logarithms — Logarithm Log a*rithm (l[o^]g [.a]*r[i^][th] m), n. [Gr. lo gos word, account, proportion + ariqmo s number: cf. F. logarithme.] (Math.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550 1617), to abridge… …   The Collaborative International Dictionary of English

  • Proportional logarithms — Logistic Lo*gis tic, Logistical Lo*gis tic*al, a. [Gr. ? skilled in calculating, ? to calculate, fr. lo gos word, number, reckoning: cf. F. logistique.] 1. Logical. [Obs.] Berkeley. [1913 Webster] 2. (Math.) Sexagesimal, or made on the scale of… …   The Collaborative International Dictionary of English

  • Proportional — Pro*por tion*al, a. [L. proportionalis: cf. F. proportionnel.] 1. Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional. Milton. [1913 Webster] 2. Relating to, or… …   The Collaborative International Dictionary of English

  • Proportional — Pro*por tion*al, a. [L. proportionalis: cf. F. proportionnel.] 1. Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional. Milton. [1913 Webster] 2. Relating to, or… …   The Collaborative International Dictionary of English

  • Proportional scale — Proportional Pro*por tion*al, a. [L. proportionalis: cf. F. proportionnel.] 1. Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional. Milton. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • Binary logarithms — Logarithm Log a*rithm (l[o^]g [.a]*r[i^][th] m), n. [Gr. lo gos word, account, proportion + ariqmo s number: cf. F. logarithme.] (Math.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550 1617), to abridge… …   The Collaborative International Dictionary of English

  • Brigg's logarithms — Logarithm Log a*rithm (l[o^]g [.a]*r[i^][th] m), n. [Gr. lo gos word, account, proportion + ariqmo s number: cf. F. logarithme.] (Math.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550 1617), to abridge… …   The Collaborative International Dictionary of English

  • Common logarithms — Logarithm Log a*rithm (l[o^]g [.a]*r[i^][th] m), n. [Gr. lo gos word, account, proportion + ariqmo s number: cf. F. logarithme.] (Math.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550 1617), to abridge… …   The Collaborative International Dictionary of English

  • Gauss's logarithms — Logarithm Log a*rithm (l[o^]g [.a]*r[i^][th] m), n. [Gr. lo gos word, account, proportion + ariqmo s number: cf. F. logarithme.] (Math.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550 1617), to abridge… …   The Collaborative International Dictionary of English

  • Logistic logarithms — Logarithm Log a*rithm (l[o^]g [.a]*r[i^][th] m), n. [Gr. lo gos word, account, proportion + ariqmo s number: cf. F. logarithme.] (Math.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550 1617), to abridge… …   The Collaborative International Dictionary of English

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