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proportional    音標拼音: [prəp'ɔrʃənəl]
a. 比例的,相稱的,調和的
n. 比例項

比例的,相稱的,調和的比例項

proportional
比例範圍

proportional
比例

proportional
adj 1: properly related in size or degree or other measurable
characteristics; usually followed by `to'; "the
punishment ought to be proportional to the crime";
"earnings relative to production" [synonym: {proportional},
{relative}]
2: having a constant ratio
n 1: one of the quantities in a mathematical proportion

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.
[1913 Webster]

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}.
[1913 Webster]

{Bow compasses}. See {Bow-compass}.

{Caliber compasses}, {Caliper compasses}. See {Calipers}.

{Proportional}, {Triangular}, etc., {compasses}. See under
{Proportional}, etc.
[1913 Webster]


Proportional \Pro*por"tion*al\, n.
1. (Math.) Any number or quantity in a proportion; as, a mean
proportional.
[1913 Webster]

2. (Chem.) The combining weight or equivalent of an element.
[Obs.]
[1913 Webster]


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]

68 Moby Thesaurus words for "proportional":
3-D, affinitive, analogical, analogous, appertaining, associative,
balanced, commensurable, commensurate, comparable, comparative,
compatible, congenial, connective, consistent, contingent,
correlated, correlative, corresponding, cubic, dependent,
dimensional, distributional, distributive, en rapport, equal,
even stephen, fifty-fifty, flat, fourth-dimensional, half,
half-and-half, halvers, harmonious, in accordance with, linking,
particular, per capita, per head, pertaining, pertinent, pro rata,
proportionable, proportionate, proportioned, prorated, reciprocal,
referable, referring, related, relating, relational, relative,
respective, several, space, space-time, spatial, spatiotemporal,
spherical, stereoscopic, superficial, surface, symmetrical,
sympathetic, three-dimensional, two-dimensional, volumetric

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