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9 definitions found
From The Collaborative International Dictionary of English v.0.44 : [ gcide ]
Spiral \Spi"ral\, n. [Cf. F. spirale. See Spiral, a.]
1. (Geom.) A plane curve, not re["e]ntrant, described by a
point, called the generatrix, moving along a straight line
according to a mathematical law, while the line is
revolving about a fixed point called the pole. Cf.
Helix.
[1913 Webster]
2. Anything which has a spiral form, as a spiral shell.
[1913 Webster]
Equiangular spiral,a plane curve which cuts all its
generatrices at the same angle. Same as Logarithmic
spiral, under Logarithmic.
Spiral of Archimedes, a spiral the law of which is that the
generatrix moves uniformly along the revolving line, which
also moves uniformly.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.44 : [ gcide ]
Logarithmic \Log`a*rith"mic\, Logarithmical \Log`a*rith"mic*al\,
a. [Cf. F. logarithmique.]
1. Of or pertaining to logarithms; consisting of logarithms.
[1913 Webster]
2. Using logarithms; as, logarithmic graph paper; a
logarithmic scale.
[PJC]
3. Having a logarithm in one or more of the unknowns; -- of
an equation.
[PJC]
Logarithmic curve (Math.), a curve which, referred to a
system of rectangular co["o]rdinate axes, is such that the
ordinate of any point will be the logarithm of its
abscissa.
Logarithmic spiral, a spiral curve such that radii drawn
from its pole or eye at equal angles with each other are
in continual proportion. See Spiral.
[1913 Webster]
From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]
Logarithmic \Log`a*rith"mic\, Logarithmical \Log`a*rith"mic*al\,
a. [Cf. F. logarithmique.]
Of or pertaining to logarithms; consisting of logarithms.
Logarithmic curve (Math.), a curve which, referred to a
system of rectangular co["o]rdinate axes, is such that the
ordinate of any point will be the logarithm of its
abscissa.
Logarithmic spiral, a spiral curve such that radii drawn
from its pole or eye at equal angles with each other are
in continual proportion. See Spiral.
From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]
Spiral \Spi"ral\, n. [Cf. F. spirale. See Spiral, a.]
1. (Geom.) A plane curve, not re["e]ntrant, described by a
point, called the generatrix, moving along a straight line
according to a mathematical law, while the line is
revolving about a fixed point called the pole. Cf.
Helix.
2. Anything which has a spiral form, as a spiral shell.
Equiangular spiral,a plane curve which cuts all its
generatrices at the same angle. Same as Logarithmic
spiral, under Logarithmic.
Spiral of Archimedes, a spiral the law of which is that the
generatrix moves uniformly along the revolving line, which
also moves uniformly.
From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]
logarithmic spiral
n.
(lb en geometry) A self-similar spiral curve which often appears in
nature. Category:en:Curves
From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]
logarithmic spiral
n.
(lb en geometry) A self-similar spiral curve which often appears in
nature. Category:en:Curves
From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]
logarithmic spiral
n.
(lb en geometry) A self-similar spiral curve which often appears in
nature. Category:en:Curves
From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]
logarithmic spiral
n.
(lb en geometry) A self-similar spiral curve which often appears in
nature. Category:en:Curves
From English-suomi FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:eng-fin ]
logarithmic spiral /lˌɒɡəɹˈɪθmɪk spˈaɪəɹəl/
logaritminen spiraali
self-similar spiral
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