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Webster 1913 Edition


Spiral

Spi′ral

,
Adj.
[Cf. F.
spiral
. See
Spire
a winding line.]
1.
Winding or circling round a center or pole and gradually receding from it;
as, the
spiral
curve of a watch spring
.
2.
Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical.
3.
(Geom.)
Of or pertaining to a spiral; like a spiral.
Spiral gear
, or
Spiral wheel
(Mach.)
,
a gear resembling in general a spur gear, but having its teeth cut at an angle with its axis, or so that they form small portions of screws or spirals.
Spiral gearing
,
a kind of gearing sometimes used in light machinery, in which spiral gears, instead of bevel gears, are used to transmit motion between shafts that are not parallel.
Spiral operculum
,
an operculum whih has spiral lines of growth.
Spiral shell
,
any shell in which the whorls form a spiral or helix.
Spiral spring
.
See the Note under
Spring
,
Noun.
, 4.

Spi′ral

,
Noun.
[Cf. F.
spirale
. See
Spiral
,
Adj.
]
1.
(Geom.)
A plane curve, not reentrant, 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.

Webster 1828 Edition


Spiral

SPI'RAL

,
Adj.
[L. spira, a spire.] Winding round a cylinder or other round body, or in a circular form, and at the same time rising or advancing forward; winding like a screw. The magnificent column in the Place Vendeme, at Paris, is divided by a spiral line into compartments. It is formed with spiral compartments, on which are engraved figures emblematical of the victories of the French armies. A whirlwind is so named from the spiral motion of the air. Water in a tunnel descends in a spiral form.

Definition 2024


spirál

spirál

See also: spiral

Hungarian

Noun

spirál (plural spirálok)

  1. spiral

Declension

Inflection (stem in -o-, back harmony)
singular plural
nominative spirál spirálok
accusative spirált spirálokat
dative spirálnak spiráloknak
instrumental spirállal spirálokkal
causal-final spirálért spirálokért
translative spirállá spirálokká
terminative spirálig spirálokig
essive-formal spirálként spirálokként
essive-modal
inessive spirálban spirálokban
superessive spirálon spirálokon
adessive spirálnál spiráloknál
illative spirálba spirálokba
sublative spirálra spirálokra
allative spirálhoz spirálokhoz
elative spirálból spirálokból
delative spirálról spirálokról
ablative spiráltól spiráloktól
Possessive forms of spirál
possessor single possession multiple possessions
1st person sing. spirálom spiráljaim
2nd person sing. spirálod spiráljaid
3rd person sing. spirálja spiráljai
1st person plural spirálunk spiráljaink
2nd person plural spirálotok spiráljaitok
3rd person plural spiráljuk spiráljaik

References

  1. Gábor Zaicz, Etimológiai szótár: Magyar szavak és toldalékok eredete, Tinta Könyvkiadó, 2006, ISBN 963 7094 01 6