A stretch of turbulent water in a river or the sea caused by one current flowing into or across another current.
synonyms: crosscurrent, rip, riptide, tide rip.
Roget 312:
rotation,
revolution,
spinning,
gyration,
turning about an axis,
turning aound an axis,
circulation,
roll;
circumrotation†,
circumvolution,
circumgyration†;
volutation†,
circination†,
turbination†,
pirouette,
convolution.
verticity†,
whir,
whirl,
eddy,
vortex,
whirlpool,
gurge†;
countercurrent;
Maelstrom,
Charybdis;
Ixion.
[rotating air]
cyclone;
tornado,
whirlwind;
dust devil.
[rotation of an automobile]
spin-out.
axis,
axis of rotation,
swivel,
pivot,
pivot point;
axle,
spindle,
pin,
hinge,
pole,
arbor,
bobbin,
mandrel;
axle shaft;
gymbal;
hub,
hub of rotation.
[rotation and translation together]
helix,
helical motion.
[measure of rotation]
angular momentum,
angular velocity;
revolutions per minute,
RPM.
[result of rotation]
centrifugal force;
surge;
vertigo,
dizzy round;
coriolus force.
[things that go around]
carousel,
merry-go-round;
Ferris wheel;
top,
dreidel†,
teetotum;
gyroscope;
turntable,
lazy suzan;
screw,
whirligig,
rollingstone†,
water wheel,
windmill;
wheel,
pulley wheel,
roulette wheel,
potter's wheel,
pinwheel,
gear;
roller;
flywheel;
jack;
caster;
centrifuge,
ultracentrifuge,
bench centrifuge,
refrigerated centrifuge,
gas centrifuge,
microfuge;
drill,
augur,
oil rig;
wagon wheel,
wheel,
tire,
tyre [Brit.].
[Science of rotary motion]
trochilics†.
[person who rotates]
whirling dervish.
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