Definify.com
Webster 1913 Edition
Proportional
Pro-por′tion-al
,Adj.
[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 matterProportional 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.
Pro-por′tion-al
,Noun.
1.
(Math.)
Any number or quantity in a proportion;
as, a mean
. proportional
2.
(Chem.)
The combining weight or equivalent of an element.
[Obs.]
Webster 1828 Edition
Proportional
PROPORTIONAL
,Adj.
Proportional, in chimistry, a term employed in the theory of definite proportions, to denote the same as the weight of an atom or a prime. [See Prime.]
Proportionals, in geometry, are quantities, either linear or numeral, which bear the same ratio or relation to each other.