資料來源 : pyDict
比例的,相稱的,調和的比例項
資料來源 : Webster's Revised Unabridged Dictionary (1913)
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.
2. (Math.) Sexagesimal, or made on the scale of 60; as,
logistic, or sexagesimal, arithmetic.
{Logistic}, or {Proportional}, {logarithms}, certain
logarithmic numbers used to shorten the calculation of the
fourth term of a proportion of which one of the terms is a
given constant quantity, commonly one hour, while the
other terms are expressed in minutes and seconds; -- not
now used.
Proportional \Pro*por"tion*al\, n.
1. (Math.) Any number or quantity in a proportion; as, a mean
proportional.
2. (Chem.) The combining weight or equivalent of an element.
[Obs.]
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.
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\, 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.
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.
Compasses \Com"pass*es\, n., pl.
An instrument for describing circles, measuring figures,
etc., consisting of two, or (rarely) more, pointed branches,
or legs, usually joined at the top by a rivet on which they
move.
Note: The compasses for drawing circles have adjustable pen
points, pencil points, etc.; those used for measuring
without adjustable points are generally called
dividers. See {Dividers}.
{Bow compasses}. See {Bow-compass}.
{Caliber compasses}, {Caliper compasses}. See {Calipers}.
{Proportional}, {Triangular}, etc., {compasses}. See under
{Proportional}, etc.
資料來源 : WordNet®
proportional
n : one of the quantities in a mathematical proportion
proportional
adj 1: properly related in size or degree or other measurable
characteristics; usually followed by `to'; "punishment
oughtt to be proportional to the crime"; "earnings
relative to production" [syn: {relative}]
2: increasing as the amount taxed increases [syn: {graduated}]