| cycle | | |
| n. (time) | 1. cycle, rhythm, round | an interval during which a recurring sequence of events occurs.; "the never-ending cycle of the seasons" |
| ~ interval, time interval | a definite length of time marked off by two instants. |
| ~ phase angle, phase | a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle. |
| n. (group) | 2. cycle | a series of poems or songs on the same theme.; "Schubert's song cycles" |
| ~ series | similar things placed in order or happening one after another.; "they were investigating a series of bank robberies" |
| n. (event) | 3. cycle | a periodically repeated sequence of events.; "a cycle of reprisal and retaliation" |
| ~ repeat, repetition | an event that repeats.; "the events today were a repeat of yesterday's" |
| ~ merry-go-round | a never-ending cycle of activities and events (especially when they seem to have little purpose).; "if we lose the election the whole legislative merry-go-round will have to start over" |
| ~ samsara | (Hinduism and Buddhism) the endless cycle of birth and suffering and death and rebirth. |
| n. (time) | 4. cps, cycle, cycle per second, cycles/second, hertz, hz | the unit of frequency; one hertz has a periodic interval of one second. |
| ~ kc, khz, kilocycle, kilocycle per second, kilohertz | one thousand periods per second. |
| ~ rate | a magnitude or frequency relative to a time unit.; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected" |
| n. (event) | 5. cycle, oscillation | a single complete execution of a periodically repeated phenomenon.; "a year constitutes a cycle of the seasons" |
| ~ periodic event, recurrent event | an event that recurs at intervals. |
| ~ cardiac cycle | the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles.; "the cardiac cycle can be shown on an electrocardiogram" |
| ~ carnot's ideal cycle, carnot cycle | a cycle (of expansion and compression) of an idealized reversible heat engine that does work without loss of heat. |
| ~ pass | one complete cycle of operations (as by a computer).; "it was not possible to complete the computation in a single pass" |
| ~ menstrual cycle | a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation.; "the average menstrual cycle is 28 days" |
| n. (artifact) | 6. bicycle, bike, cycle, wheel | a wheeled vehicle that has two wheels and is moved by foot pedals. |
| ~ bicycle-built-for-two, tandem bicycle, tandem | a bicycle with two sets of pedals and two seats. |
| ~ bicycle seat, saddle | a seat for the rider of a bicycle. |
| ~ bicycle wheel | the wheel of a bicycle. |
| ~ chain | a series of (usually metal) rings or links fitted into one another to make a flexible ligament. |
| ~ coaster brake | a brake on a bicycle that engages with reverse pressure on the pedals. |
| ~ handlebar | the shaped bar used to steer a bicycle. |
| ~ kickstand | a swiveling metal rod attached to a bicycle or motorcycle or other two-wheeled vehicle; the rod lies horizontally when not in use but can be kicked into a vertical position as a support to hold the vehicle upright when it is not being ridden. |
| ~ all-terrain bike, mountain bike, off-roader | a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country. |
| ~ mudguard, splash-guard, splash guard | a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels. |
| ~ ordinary bicycle, ordinary | an early bicycle with a very large front wheel and small back wheel. |
| ~ foot lever, foot pedal, treadle, pedal | a lever that is operated with the foot. |
| ~ push-bike | a bicycle that must be pedaled. |
| ~ safety bicycle, safety bike | bicycle that has two wheels of equal size; pedals are connected to the rear wheel by a multiplying gear. |
| ~ sprocket wheel, sprocket | thin wheel with teeth that engage with a chain. |
| ~ velocipede | any of several early bicycles with pedals on the front wheel. |
| ~ wheeled vehicle | a vehicle that moves on wheels and usually has a container for transporting things or people.; "the oldest known wheeled vehicles were found in Sumer and Syria and date from around 3500 BC" |
| v. (motion) | 7. cycle | cause to go through a recurring sequence.; "cycle the laundry in this washing program" |
| ~ make pass, pass | cause to pass.; "She passed around the plates" |
| ~ recycle | cause to repeat a cycle. |
| v. (motion) | 8. cycle | pass through a cycle.; "This machine automatically cycles" |
| ~ go across, pass, go through | go across or through.; "We passed the point where the police car had parked"; "A terrible thought went through his mind" |
| ~ cycle on | come to the starting point of a cycle. |
| v. (motion) | 9. cycle, motorbike, motorcycle | ride a motorcycle. |
| ~ kick | strike with the foot.; "The boy kicked the dog"; "Kick the door down" |
| ~ ride | be carried or travel on or in a vehicle.; "I ride to work in a bus"; "He rides the subway downtown every day" |
| v. (motion) | 10. bicycle, bike, cycle, pedal, wheel | ride a bicycle. |
| ~ unicycle | ride a unicycle. |
| ~ backpedal | pedal backwards on a bicycle. |
| ~ ride | be carried or travel on or in a vehicle.; "I ride to work in a bus"; "He rides the subway downtown every day" |
| v. (change) | 11. cycle | recur in repeating sequences. |
| ~ recur, repeat | happen or occur again.; "This is a recurring story" |
| go around | | |
| v. (stative) | 1. go around | be sufficient.; "There's not enough to go around" |
| ~ suffice, answer, do, serve | be sufficient; be adequate, either in quality or quantity.; "A few words would answer"; "This car suits my purpose well"; "Will $100 do?"; "A 'B' grade doesn't suffice to get me into medical school"; "Nothing else will serve" |
| v. (communication) | 2. circulate, go around, spread | become widely known and passed on.; "the rumor spread"; "the story went around in the office" |
| ~ disseminate, circulate, pass around, broadcast, circularise, diffuse, circularize, spread, disperse, distribute, propagate | cause to become widely known.; "spread information"; "circulate a rumor"; "broadcast the news" |
| ~ go, locomote, move, travel | change location; move, travel, or proceed, also metaphorically.; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast" |
| v. (motion) | 3. go around, outflank | go around the flank of (an opposing army). |
| ~ go, locomote, move, travel | change location; move, travel, or proceed, also metaphorically.; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast" |
| v. (motion) | 4. go around, revolve, rotate | turn on or around an axis or a center.; "The Earth revolves around the Sun"; "The lamb roast rotates on a spit over the fire" |
| ~ drive in, screw | cause to penetrate, as with a circular motion.; "drive in screws or bolts" |
| ~ screw | turn like a screw. |
| ~ circumvolve, rotate | cause to turn on an axis or center.; "Rotate the handle" |
| ~ wheel, wheel around | change directions as if revolving on a pivot.; "They wheeled their horses around and left" |
| ~ spin, spin around, gyrate, reel, whirl | revolve quickly and repeatedly around one's own axis.; "The dervishes whirl around and around without getting dizzy" |
| ~ swirl, twiddle, twirl, whirl | turn in a twisting or spinning motion.; "The leaves swirled in the autumn wind" |
| ~ turn | move around an axis or a center.; "The wheels are turning" |
| v. (communication) | 5. bypass, get around, go around, short-circuit | avoid something unpleasant or laborious.; "You cannot bypass these rules!" |
| ~ avoid | stay clear from; keep away from; keep out of the way of someone or something.; "Her former friends now avoid her" |
| orbit | | |
| n. (location) | 1. celestial orbit, orbit | the (usually elliptical) path described by one celestial body in its revolution about another.; "he plotted the orbit of the moon" |
| ~ apoapsis, point of apoapsis | (astronomy) the point in an orbit farthest from the body being orbited. |
| ~ geosynchronous orbit | a circular orbit around the Earth having a period of 24 hours. |
| ~ itinerary, route, path | an established line of travel or access. |
| ~ periapsis, point of periapsis | (astronomy) the point in an orbit closest to the body being orbited. |
| n. (state) | 2. area, arena, domain, field, orbit, sphere | a particular environment or walk of life.; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit" |
| ~ environment | the totality of surrounding conditions.; "he longed for the comfortable environment of his living room" |
| ~ distaff | the sphere of work by women. |
| ~ front | a sphere of activity involving effort.; "the Japanese were active last week on the diplomatic front"; "they advertise on many different fronts" |
| ~ kingdom, realm, land | a domain in which something is dominant.; "the untroubled kingdom of reason"; "a land of make-believe"; "the rise of the realm of cotton in the south" |
| ~ lap | an area of control or responsibility.; "the job fell right in my lap" |
| ~ political arena, political sphere | a sphere of intense political activity. |
| ~ preserve | a domain that seems to be specially reserved for someone.; "medicine is no longer a male preserve" |
| ~ province, responsibility | the proper sphere or extent of your activities.; "it was his province to take care of himself" |
| n. (attribute) | 3. ambit, compass, orbit, range, reach, scope | an area in which something acts or operates or has power or control:.; "the range of a supersonic jet"; "a piano has a greater range than the human voice"; "the ambit of municipal legislation"; "within the compass of this article"; "within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power" |
| ~ extent | the distance or area or volume over which something extends.; "the vast extent of the desert"; "an orchard of considerable extent" |
| ~ approximate range, ballpark | near to the scope or range of something.; "his answer wasn't even in the right ballpark" |
| ~ confines | a bounded scope.; "he stayed within the confines of the city" |
| ~ contrast | the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness). |
| ~ internationality, internationalism | quality of being international in scope.; "he applauded the internationality of scientific terminology" |
| ~ latitude | scope for freedom of e.g. action or thought; freedom from restriction. |
| ~ purview, horizon, view | the range of interest or activity that can be anticipated.; "It is beyond the horizon of present knowledge" |
| ~ expanse, sweep | a wide scope.; "the sweep of the plains" |
| ~ gamut | a complete extent or range:.; "a face that expressed a gamut of emotions" |
| ~ spectrum | a broad range of related objects or values or qualities or ideas or activities. |
| ~ palette, pallet | the range of colour characteristic of a particular artist or painting or school of art. |
| n. (location) | 4. electron orbit, orbit | the path of an electron around the nucleus of an atom. |
| ~ itinerary, route, path | an established line of travel or access. |
| n. (body) | 5. cranial orbit, eye socket, orbit, orbital cavity | the bony cavity in the skull containing the eyeball. |
| ~ bodily cavity, cavum, cavity | (anatomy) a natural hollow or sinus within the body. |
| ~ lacrimal bone | small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts. |
| ~ skull | the bony skeleton of the head of vertebrates. |
| v. (motion) | 6. orb, orbit, revolve | move in an orbit.; "The moon orbits around the Earth"; "The planets are orbiting the sun"; "electrons orbit the nucleus" |
| ~ retrograde | move backward in an orbit, of celestial bodies. |
| ~ circle, circulate | move in circles. |
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