spiral 音标拼音: [sp'ɑɪrəl]
n . 螺旋形之物
a . 螺旋形的,盘旋的
vi . 成螺旋状下降,成螺旋状上升
螺旋形之物螺旋形的,盘旋的成螺旋状下降,成螺旋状上升
spiral adj 1 :
in the shape of a coil [
synonym : {
coiling }, {
helical },
{
spiral }, {
spiraling }, {
volute }, {
voluted }, {
whorled },
{
turbinate }]
n 1 :
a plane curve traced by a point circling about the center but at increasing distances from the center 2 :
a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle [
synonym : {
helix }, {
spiral }]
3 :
a continuously accelerating change in the economy 4 :
ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center [
synonym :
{
spiral }, {
volute }]
5 :
a structure consisting of something wound in a continuous series of loops ; "
a coil of rope " [
synonym : {
coil }, {
spiral },
{
volute }, {
whorl }, {
helix }]
6 :
flying downward in a helical path with a large radius v 1 :
to wind or move in a spiral course ; "
the muscles and nerves of his fine drawn body were coiling for action "; "
black smoke coiling up into the sky "; "
the young people gyrated on the dance floor " [
synonym : {
gyrate }, {
spiral }, {
coil }]
2 :
form a spiral ; "
The path spirals up the mountain "
3 :
move in a spiral or zigzag course [
synonym : {
corkscrew },
{
spiral }]
Spiral \
Spi "
ral \,
n . [
Cf .
F .
spirale .
See {
Spiral },
a .]
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 }.
[
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 ]
Spiral \
Spi "
ral \,
a . [
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 .
[
1913 Webster ]
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 .
[
1913 Webster ]
3 . (
Geom .)
Of or pertaining to a spiral ;
like a spiral .
[
1913 Webster ]
{
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 },
n .,
4 .
[
1913 Webster ]
218 Moby Thesaurus words for "
spiral ":
Milky Way ,
O -
shaped ,
Via Lactea ,
acrobatics ,
aerobatics ,
ambagious ,
anfractuous ,
arise ,
ascend ,
aspire ,
backhanded ,
bank ,
banking ,
barred spiral ,
barred spiral galaxy ,
become airborne ,
chandelle ,
circle ,
circling ,
circuit ,
circuiteer ,
circuition ,
circuitous ,
circuitousness ,
circuitry ,
circular ,
circularity ,
circulate ,
circulation ,
circumambience ,
circumambiency ,
circumambulate ,
circumambulation ,
circumflexion ,
circumlocution ,
circummigrate ,
circummigration ,
circumnavigate ,
circumnavigation ,
circumvent ,
cirrus ,
claw skyward ,
close the circle ,
cochlear ,
cochleate ,
coil ,
coiled ,
come full circle ,
come up ,
compass ,
corkscrew ,
corkscrewy ,
cosmic noise ,
crab ,
crabbing ,
curl ,
curl upwards ,
curlicue ,
cycle ,
describe a circle ,
deviance ,
deviancy ,
deviating ,
deviation ,
deviative ,
devious ,
deviousness ,
digression ,
digressive ,
dip ,
discursive ,
dive ,
diving ,
encircle ,
encompass ,
entwine ,
evolute ,
excursion ,
excursive ,
excursus ,
feather ,
fishtail ,
fishtailing ,
flank ,
float ,
fly ,
fly aloft ,
gain altitude ,
galactic circle ,
galactic cluster ,
galactic coordinates ,
galactic latitude ,
galactic longitude ,
galactic nebula ,
galactic noise ,
galactic pole ,
galaxy ,
girdle ,
girdle the globe ,
glide ,
go about ,
go around ,
go round ,
go the round ,
go up ,
grow up ,
gyre ,
gyring ,
hang ,
helical ,
helicoid ,
helix ,
hover ,
indirect ,
indirection ,
involute ,
island universe ,
kink ,
kite ,
lap ,
leave the ground ,
levitate ,
loom ,
loop ,
make a circuit ,
meandering ,
mount ,
nose dive ,
oblique ,
orbit ,
orbital ,
orbiting ,
out -
of -
the -
way ,
plane ,
plow ,
poise ,
porpoise ,
power dive ,
pull out ,
pull up ,
pull -
up ,
pullout ,
push down ,
pushdown ,
rear ,
rear up ,
revolve ,
ringlet ,
rise ,
rise up ,
roll ,
rolling ,
rotary ,
round ,
roundabout ,
roundaboutness ,
rounding ,
screw ,
screw -
shaped ,
scroll ,
scrolled ,
sideslip ,
skid ,
skirt ,
soar ,
spheroidal galaxy ,
spin ,
spiral galaxy ,
spiral nebula ,
spiraling ,
spire ,
spiroid ,
stall ,
stand up ,
stunt ,
stunting ,
supergalaxy ,
surge ,
surround ,
swarm up ,
sweep up ,
swirl ,
tactical maneuvers ,
take off ,
tendril ,
tower ,
turbinal ,
turbinate ,
turn ,
turning ,
twine ,
twirl ,
twist ,
undulate ,
up ,
upgo ,
upgrow ,
upheave ,
uprise ,
upspin ,
upstream ,
upsurge ,
upswarm ,
upwind ,
verticillate ,
volplane ,
volute ,
voluted ,
volution ,
vortex ,
wheel ,
wheeling ,
whirl ,
whorl ,
whorled ,
wreathe ,
yaw ,
zoom
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