Category:Proportional

Pro*por"tion*al, a. Etym: [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.

2. Relating to, or securing, proportion. Hutton. 3. (math.) Constituting a proportion; having the same, or a constant, ratio; as, Proportional quantities; momentum is proportional to quantity of Matter. 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.

Proportional Pro*por"tion*al, n.

1. (math.)

Defn: any number or quantity in a proportion; as, a mean Proportional.

2. (chem.)

Defn: the combining weight or equivalent of an element. [obs.]