01 a. Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional.
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1.
Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional.
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2.
Relating to, or securing, proportion.
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3.
Constituting a proportion; having the same, or a constant, ratio; as, proportional quantities; momentum is proportional to quantity of matter.(Math.)
Phrases & compounds
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, —
instruments used in making copies of drawings, or drawings of objects, on an enlarged or reduced scale.