rotation as a noun: - 1
- 2
- 3
- 4
rotation
noun
1 rotation
The act of rotating as if on an axis:
— The rotation of the dancer kept time with the music.
synonym: rotary motion.
Dutch: aswenteling, evolutie, rotatie, slag, toer
2 rotation
mathematics A transformation in which the coordinate axes are rotated by a fixed angle about the origin.
3 rotation
A single complete turn (axial or orbital):
— The plane made three rotations before it crashed.
synonyms: gyration, revolution.
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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Roget 138:
periodicity,
intermittence;
beat;
oscillation
etc.
314;
pulse,
pulsation;
rhythm;
alternation,
alternateness,
alternativeness,
alternity†.
bout,
round,
revolution,
rotation,
turn,
say.
anniversary,
jubilee,
centenary.
catamenia†,
courses,
menses,
menstrual flux.
[Regularity of return]
rota,
cycle,
period,
stated time,
routine;
days of the week;
Sunday,
Monday
&c.;
months of the year;
January
&c.;
feast,
fast
&c.;
Christmas,
Easter,
New Year's day
&c.;
Allhallows†,
Allhallowmas†,
All Saints' Day;
All Souls',
All Souls' Day;
Ash Wednesday,
bicentennial,
birthday,
bissextile†,
Candlemas†,
Dewali,
groundhog day [U.S.],
Halloween,
Hallowmas†,
Lady day,
leap year,
Midsummer day,
Muharram,
woodchuck day [U.S.],
St. Swithin's day,
natal day;
yearbook;
yuletide.
punctuality,
regularity,
steadiness.
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Dutch: draaiing, ronde, revolutie, toer
Polish: rotacja
4 rotation
A planned recurrent sequence (of crops or personnel etc.).
Polish: rotacja
Moby thesaurus: Indian file, array, arsis, articulation, bank, beat, booster rocket, bout, buzz, catapult, catena, catenation, chain, chain reaction, chaining, circle, circuit, circulation, circumvolution, coming after, concatenation, connection, consecution, consecutiveness, continuation, continuity, continuum, course, cycle, descent, diastole, downbeat, drone, endless belt, endless round, extension, file, filiation, following, gamut, gradation, ground loop, gyration, gyre, hopoff, hum, line, lineage, logical sequence, monotone, nexus, order, order of succession, pendulum, periodicity, plenum, posteriority, postposition, powder train, procession, progression, prolongation, pulse, queue, range, rank, recurrence, reticulation, revolution, round, routine, row, run, scale, sequence, series, single file, spectrum, spell, string, subjunction, succession, successiveness, suffixation, swath, systole, takeoff, thesis, thread, tier, train, turn, upbeat, wheel, whirl, windrow ... show more.
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