twisty 音标拼音: [tw'ɪsti]
a . 扭曲的,狡猾的,转弯抹角的
扭曲的,狡猾的,转弯抹角的
twisty adj 1 :
marked by repeated turns and bends ; "
a tortuous road up the mountain "; "
winding roads are full of surprises ";
"
had to steer the car down a twisty track " [
synonym :
{
tortuous }, {
twisting }, {
twisty }, {
winding },
{
voluminous }]
Screw \
Screw \ (
skr [
udd ]),
n . [
OE .
scrue ,
OF .
escroue ,
escroe ,
female screw ,
F . ['
e ]
crou ,
L .
scrobis a ditch ,
trench ,
in LL .,
the hole made by swine in rooting ;
cf .
D .
schroef a screw ,
G .
schraube ,
Icel .
skr [=
u ]
fa .]
1 .
A cylinder ,
or a cylindrical perforation ,
having a continuous rib ,
called the thread ,
winding round it spirally at a constant inclination ,
so as to leave a continuous spiral groove between one turn and the next , --
used chiefly for producing ,
when revolved ,
motion or pressure in the direction of its axis ,
by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it ,
the former being distinguished as the external ,
or male screw ,
or ,
more usually the screw ;
the latter as the internal ,
or female screw ,
or ,
more usually ,
the nut .
[
1913 Webster ]
Note :
The screw ,
as a mechanical power ,
is a modification of the inclined plane ,
and may be regarded as a right -
angled triangle wrapped round a cylinder ,
the hypotenuse of the marking the spiral thread of the screw ,
its base equaling the circumference of the cylinder ,
and its height the pitch of the thread .
[
1913 Webster ]
2 .
Specifically ,
a kind of nail with a spiral thread and a head with a nick to receive the end of the screw -
driver .
Screws are much used to hold together pieces of wood or to fasten something ; --
called also {
wood screws },
and {
screw nails }.
See also {
Screw bolt },
below .
[
1913 Webster ]
3 .
Anything shaped or acting like a screw ;
esp .,
a form of wheel for propelling steam vessels .
It is placed at the stern ,
and furnished with blades having helicoidal surfaces to act against the water in the manner of a screw .
See {
Screw propeller },
below .
[
1913 Webster ]
4 .
A steam vesel propelled by a screw instead of wheels ;
a screw steamer ;
a propeller .
[
1913 Webster ]
5 .
An extortioner ;
a sharp bargainer ;
a skinflint ;
a niggard .
--
Thackeray .
[
1913 Webster ]
6 .
An instructor who examines with great or unnecessary severity ;
also ,
a searching or strict examination of a student by an instructor . [
Cant ,
American Colleges ]
[
1913 Webster ]
7 .
A small packet of tobacco . [
Slang ] --
Mayhew .
[
1913 Webster ]
8 .
An unsound or worn -
out horse ,
useful as a hack ,
and commonly of good appearance . --
Ld .
Lytton .
[
1913 Webster ]
9 . (
Math .)
A straight line in space with which a definite linear magnitude termed the pitch is associated (
cf .
5th {
Pitch },
10 (
b ) ).
It is used to express the displacement of a rigid body ,
which may always be made to consist of a rotation about an axis combined with a translation parallel to that axis .
[
1913 Webster ]
10 . (
Zool .)
An amphipod crustacean ;
as ,
the skeleton screw ({
Caprella }).
See {
Sand screw },
under {
Sand }.
[
1913 Webster ]
{
Archimedes screw }, {
Compound screw }, {
Foot screw },
etc .
See under {
Archimedes }, {
Compound }, {
Foot },
etc .
{
A screw loose },
something out of order ,
so that work is not done smoothly ;
as ,
there is a screw loose somewhere . --
H .
Martineau .
{
Endless screw },
or {
perpetual screw },
a screw used to give motion to a toothed wheel by the action of its threads between the teeth of the wheel ; --
called also a {
worm }.
{
Lag screw }.
See under {
Lag }.
{
Micrometer screw },
a screw with fine threads ,
used for the measurement of very small spaces .
{
Right and left screw },
a screw having threads upon the opposite ends which wind in opposite directions .
{
Screw alley }.
See {
Shaft alley },
under {
Shaft }.
{
Screw bean }. (
Bot .)
(
a )
The curious spirally coiled pod of a leguminous tree ({
Prosopis pubescens })
growing from Texas to California .
It is used for fodder ,
and ground into meal by the Indians .
(
b )
The tree itself .
Its heavy hard wood is used for fuel ,
for fencing ,
and for railroad ties .
{
Screw bolt },
a bolt having a screw thread on its shank ,
in distinction from a {
key bolt }.
See 1st {
Bolt },
3 .
{
Screw box },
a device ,
resembling a die ,
for cutting the thread on a wooden screw .
{
Screw dock }.
See under {
Dock }.
{
Screw engine },
a marine engine for driving a screw propeller .
{
Screw gear }.
See {
Spiral gear },
under {
Spiral }.
{
Screw jack }.
Same as {
Jackscrew }.
{
Screw key },
a wrench for turning a screw or nut ;
a spanner wrench .
{
Screw machine }.
(
a )
One of a series of machines employed in the manufacture of wood screws .
(
b )
A machine tool resembling a lathe ,
having a number of cutting tools that can be caused to act on the work successively ,
for making screws and other turned pieces from metal rods .
{
Screw pine } (
Bot .),
any plant of the endogenous genus {
Pandanus },
of which there are about fifty species ,
natives of tropical lands from Africa to Polynesia ; --
named from the spiral arrangement of the pineapple -
like leaves .
{
Screw plate },
a device for cutting threads on small screws ,
consisting of a thin steel plate having a series of perforations with internal screws forming dies .
{
Screw press },
a press in which pressure is exerted by means of a screw .
{
Screw propeller },
a screw or spiral bladed wheel ,
used in the propulsion of steam vessels ;
also ,
a steam vessel propelled by a screw .
{
Screw shell } (
Zool .),
a long ,
slender ,
spiral gastropod shell ,
especially of the genus Turritella and allied genera .
See {
Turritella }.
{
Screw steamer },
a steamship propelled by a screw .
{
Screw thread },
the spiral rib which forms a screw .
{
Screw stone } (
Paleon .),
the fossil stem of an encrinite .
{
Screw tree } (
Bot .),
any plant of the genus {
Helicteres },
consisting of about thirty species of tropical shrubs ,
with simple leaves and spirally twisted ,
five -
celled capsules ; --
also called {
twisted -
horn },
and {
twisty }.
{
Screw valve },
a stop valve which is opened or closed by a screw .
{
Screw worm } (
Zool .),
the larva of an American fly ({
Compsomyia macellaria }),
allied to the blowflies ,
which sometimes deposits its eggs in the nostrils ,
or about wounds ,
in man and other animals ,
with fatal results .
{
Screw wrench }.
(
a )
A wrench for turning a screw .
(
b )
A wrench with an adjustable jaw that is moved by a screw .
{
To put the screws on }
or {
To put the screw on },
to use pressure upon ,
as for the purpose of extortion ;
to coerce .
{
To put under the screw }
or {
To put under the screws },
to subject to pressure ;
to force .
{
Wood screw },
a metal screw with a sharp thread of coarse pitch ,
adapted to holding fast in wood .
See Illust .
of {
Wood screw },
under {
Wood }.
[
1913 Webster ]
43 Moby Thesaurus words for "
twisty ":
ambagious ,
anfractuous ,
bendy ,
chevronwise ,
chevrony ,
circuitous ,
circumlocutory ,
convolutional ,
crankled ,
crooked ,
curvy ,
flexuose ,
flexuous ,
hairpin ,
involute ,
involuted ,
involutional ,
labyrinthine ,
mazy ,
meandering ,
meandrous ,
rivose ,
rivulose ,
roundabout ,
ruffled ,
serpentine ,
sinuate ,
sinuose ,
sinuous ,
snaky ,
staggered ,
torsional ,
tortile ,
tortuous ,
turning ,
twisting ,
whorled ,
winding ,
wreathlike ,
wreathy ,
zigzag ,
zigzaggy ,
zigzagways
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