acyclovir | (noun) an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms | Synonyms: Zovirax |
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anticyclone | (noun) (meteorology) winds spiraling outward from a high pressure center; circling clockwise in the Northern Hemisphere and counterclockwise in the southern | - |
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bicycle | (noun) a wheeled vehicle that has two wheels and is moved by foot pedals | Synonyms: bike, cycle, wheel |
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bicycler | (noun) a person who rides a bicycle | Synonyms: bicyclist, biker, cyclist, wheeler |
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bicycling | (noun) riding a bicycle | - |
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bicyclist | (noun) a person who rides a bicycle | Synonyms: bicycler, biker, cyclist, wheeler |
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chlortetracycline | (noun) a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases | Synonyms: Aureomycin |
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cycad | (noun) any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves | - |
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cyclamate | (noun) any salt or ester of cyclamic acid. | - |
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cyclamen | (noun) Mediterranean plant widely cultivated as a houseplant for its showy dark green leaves splotched with silver and nodding white or pink to reddish flowers with reflexed petals | Synonyms: Cyclamen purpurascens |
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cycle | (noun) a wheeled vehicle that has two wheels and is moved by foot pedals | Synonyms: bicycle, bike, wheel |
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(noun) a single complete execution of a periodically repeated phenomenon | Synonyms: oscillation |
(noun) a periodically repeated sequence of events | - |
(noun) a series of poems or songs on the same theme | - |
(noun) an interval during which a recurring sequence of events occurs | Synonyms: rhythm, round |
(noun) the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz) | Synonyms: cps, cycle per second, cycles/second, hertz, Hz |
cyclicity | (noun) the quality of recurring at regular intervals | Synonyms: periodicity |
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cycling | (noun) the sport of traveling on a bicycle or motorcycle | - |
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cyclist | (noun) a person who rides a bicycle | Synonyms: bicycler, bicyclist, biker, wheeler |
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cycloalkene | (noun) alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character. | Synonyms: cycloolefin |
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cyclobenzaprine | (noun) muscle relaxant (trade name Flexeril) used for muscle spasms or acute injury | Synonyms: Flexeril |
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cyclohexanol | (noun) a colorless oily alcohol that smells like camphor | - |
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cycloid | (noun) a line generated by a point on a circle rolling along a straight line | - |
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cyclone | (noun) a violent rotating windstorm | - |
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(noun) (meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the Northern Hemisphere and clockwise in the southern | - |
cycloolefin | (noun) alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character. | Synonyms: cycloalkene |
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cyclooxygenase | (noun) either of two related enzymes that control the production of prostaglandins and are blocked by aspirin | Synonyms: Cox |
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cyclopaedia | (noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty | Synonyms: cyclopedia, encyclopaedia, encyclopedia |
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cyclopedia | (noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty | Synonyms: cyclopaedia, encyclopaedia, encyclopedia |
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cyclopia | (noun) a developmental abnormality in which there is only one eye | - |
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cyclopropane | (noun) a colorless flammable gas sometimes used as an inhalation anesthetic | - |
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cyclops | (noun) minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms | Synonyms: water flea |
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cyclorama | (noun) a picture (or series of pictures) representing a continuous scene | Synonyms: diorama, panorama |
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cycloserine | (noun) an antibiotic that is especially active against the tubercle bacillus | - |
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cyclosis | (noun) the circulation of cytoplasm within a cell | Synonyms: streaming |
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cyclostome | (noun) primitive aquatic vertebrate | - |
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cyclostyle | (noun) a writing implement with a small toothed wheel that cuts small holes in a stencil | - |
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cyclothymia | (noun) a mild bipolar disorder that persists over a long time | Synonyms: cyclic disorder, cyclothymic disorder |
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cyclotron | (noun) an accelerator that imparts energies of several million electron-volts to rapidly moving particles | - |
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doxycycline | (noun) an antibiotic derived from tetracycline that is effective against many infections | Synonyms: Vibramycin |
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encyclical | (noun) a letter from the pope sent to all Roman Catholic bishops throughout the world | Synonyms: encyclical letter |
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encyclopaedia | (noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty | Synonyms: cyclopaedia, cyclopedia, encyclopedia |
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encyclopaedism | (noun) profound scholarly knowledge | Synonyms: encyclopedism, eruditeness, erudition, learnedness, learning, scholarship |
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encyclopaedist | (noun) a person who compiles information for encyclopedias | Synonyms: encyclopedist |
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encyclopedia | (noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty | Synonyms: cyclopaedia, cyclopedia, encyclopaedia |
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encyclopedism | (noun) profound scholarly knowledge | Synonyms: encyclopaedism, eruditeness, erudition, learnedness, learning, scholarship |
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encyclopedist | (noun) a person who compiles information for encyclopedias | Synonyms: encyclopaedist |
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epicycle | (noun) a circle that rolls around (inside or outside) another circle; generates an epicycloid or hypocycloid | - |
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epicycloid | (noun) a line generated by a point on a circle rolling around another circle | - |
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exercycle | (noun) an exercise device resembling a stationary bike | Synonyms: exercise bike |
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gigacycle | (noun) 1,000,000,000 periods per second | Synonyms: Gc, GHz, gigacycle per second, gigahertz |
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hemicycle | (noun) a plane figure with the shape of half a circle | Synonyms: semicircle |
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heterocycle | (noun) a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon | Synonyms: heterocyclic ring |
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(noun) a compound containing a heterocyclic ring | Synonyms: heterocyclic, heterocyclic compound |
heterocyclic | (noun) a compound containing a heterocyclic ring | Synonyms: heterocycle, heterocyclic compound |
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hydroxytetracycline | (noun) a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections | Synonyms: oxytetracycline, oxytetracycline hydrochloride, Terramycin |
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hypocycloid | (noun) a line generated by a point on a circle that rolls around inside another circle | - |
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iridocyclitis | (noun) inflammation of the iris and ciliary body of the eye | - |
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kilocycle | (noun) one thousand periods per second | Synonyms: kc, kHz, kilocycle per second, kilohertz |
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megacycle | (noun) one million periods per second | Synonyms: Mc, megacycle per second, megahertz, MHz |
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minocycline | (noun) tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections | Synonyms: Minocin |
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monocycle | (noun) a vehicle with a single wheel that is driven by pedals | Synonyms: unicycle |
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motorcycle | (noun) a motor vehicle with two wheels and a strong frame | Synonyms: bike |
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motorcycling | (noun) riding a motorcycle | - |
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motorcyclist | (noun) a traveler who rides a motorcycle | - |
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nontricyclic | (noun) a class of antidepressant drugs that are not tricyclic drugs and do not act by inhibiting MAO | Synonyms: nontricyclic antidepressant, nontricyclic antidepressant drug, nontricyclic drug |
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oxyphencyclimine | (noun) an anticholinergic drug (trade name Daricon) used in treating peptic ulcers | Synonyms: Daricon |
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oxytetracycline | (noun) a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections | Synonyms: hydroxytetracycline, oxytetracycline hydrochloride, Terramycin |
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phencyclidine | (noun) a drug used as an anesthetic by veterinarians; illicitly taken (originally in the form of powder or `dust') for its effects as a hallucinogen | Synonyms: angel dust, PCP, phencyclidine hydrochloride |
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procyclidine | (noun) drug (trade name Kemadrin) used to reduce tremors in Parkinsonism | Synonyms: Kemadrin |
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recycling | (noun) the act of processing used or abandoned materials for use in creating new products | - |
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(noun) used or abandoned materials for use in creating new products | - |
synchrocyclotron | (noun) cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field | - |
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tetracycline | (noun) an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections | Synonyms: Achromycin |
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tricycle | (noun) a vehicle with three wheels that is moved by foot pedals | Synonyms: trike, velocipede |
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tricyclic | (noun) an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain | Synonyms: tricyclic antidepressant, tricyclic antidepressant drug |
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unicycle | (noun) a vehicle with a single wheel that is driven by pedals | Synonyms: monocycle |
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unicyclist | (noun) a person who rides a unicycle | - |
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