ozonise | (verb) convert (oxygen) into ozone | Synonyms: ozonize |
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ozonize | (verb) convert (oxygen) into ozone | Synonyms: ozonise |
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ozonosphere | (noun) a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun | Synonyms: ozone layer |
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palaeozoology | (noun) the study of fossil animals | Synonyms: paleozoology |
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paleozoology | (noun) the study of fossil animals | Synonyms: palaeozoology |
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paparazzo | (noun) a freelance photographer who pursues celebrities trying to take candid photographs of them to sell to newspapers or magazines | - |
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parazoan | (noun) primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Synonyms: poriferan, sponge |
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pentamethylenetetrazol | (noun) a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark | Synonyms: Metrazol, pentylenetetrazol |
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pentazocine | (noun) analgesic drug (trade name Talwin) that is less addictive than morphine | Synonyms: Talwin |
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pentylenetetrazol | (noun) a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark | Synonyms: Metrazol, pentamethylenetetrazol |
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phenazopyridine | (noun) analgesic (trade name Pyridium) used to treat urinary tract infections | Synonyms: Pyridium |
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phenylbutazone | (noun) anti-inflammatory drug (trade name Butazolidin) | Synonyms: Butazolidin |
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piezoelectric | (adjective) relating to or involving piezoelectricity | - |
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piezoelectricity | (noun) electricity produced by mechanical pressure on certain crystals (notably quartz or Rochelle salt); alternatively, electrostatic stress produces a change in the linear dimensions of the crystal | Synonyms: piezo effect, piezoelectric effect |
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piezometer | (noun) a measuring instrument for measuring high pressures | - |
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podzol | (noun) a soil that develops in temperate to cold moist climates under coniferous or heath vegetation; an organic mat over a grey leached layer | Synonyms: podsol, podsol soil, podsolic soil, podzol soil |
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polyzoa | (noun) marine or freshwater animals that form colonies of zooids | Synonyms: Bryozoa, phylum Bryozoa |
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polyzoan | (noun) sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding | Synonyms: bryozoan, moss animal, sea mat, sea moss |
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prazosin | (noun) antihypertensive drug (trade name Minipress) | Synonyms: Minipress |
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proterozoic | (adjective) formed in the later of two divisions of the Precambrian era | - |
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protozoal | (adjective) of or relating to the Protozoa | Synonyms: protozoan, protozoic |
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protozoan | (adjective) of or relating to the Protozoa | Synonyms: protozoal, protozoic |
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(noun) any of diverse minute acellular or unicellular organisms usually nonphotosynthetic | Synonyms: protozoon |
protozoic | (adjective) of or relating to the Protozoa | Synonyms: protozoal, protozoan |
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protozoological | (adjective) concerning the branch of zoology that studies protozoans | - |
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protozoologist | (noun) a zoologist who studies protozoans | - |
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protozoology | (noun) the branch of zoology that studies protozoans | - |
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protozoon | (noun) any of diverse minute acellular or unicellular organisms usually nonphotosynthetic | Synonyms: protozoan |
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quartzose | (adjective) relating to or made of quartz | - |
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razor | (noun) edge tool used in shaving | - |
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(verb) shave with a razor | - |
razorback | (adjective) having a sharp narrow back | Synonyms: razor-backed |
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(noun) a mongrel hog with a thin body and long legs and a ridged back; a wild or semi-wild descendant of improved breeds; found chiefly in the southeastern United States | Synonyms: razorback hog, razorbacked hog |
(noun) any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin | Synonyms: rorqual |
razorbill | (noun) black-and-white northern Atlantic auk having a compressed sharp-edged bill | Synonyms: Alca torda, razor-billed auk |
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razorblade | (noun) a blade that has very sharp edge | - |
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rebozo | (noun) a long woolen or linen scarf covering the head and shoulders (also used as a sling for holding a baby); traditionally worn by Latin-American women | - |
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rhizoctinia | (noun) any fungus now or formerly belonging to the form genus Rhizoctinia | - |
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rhizoid | (noun) any of various slender filaments that function as roots in mosses and ferns and fungi etc | - |
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rhizoidal | (adjective) of or relating to a rhizoid | - |
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rhizomatous | (adjective) producing or possessing or resembling rhizomes | - |
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rhizome | (noun) a horizontal plant stem with shoots above and roots below serving as a reproductive structure | Synonyms: rootstalk, rootstock |
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rhizomorph | (noun) a dense mass of hyphae forming a root-like structure characteristic of many fungi | - |
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rhizopod | (noun) protozoa characterized by a pseudopod | Synonyms: rhizopodan |
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rhizopodan | (noun) protozoa characterized by a pseudopod | Synonyms: rhizopod |
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rhizopus | (noun) any of various rot causing fungi of the genus Rhizopus | - |
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rhizotomy | (noun) surgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms | - |
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saprozoic | (adjective) (of certain animals) feeding on dead or decaying animal matter | Synonyms: saprophagous |
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scherzo | (noun) a fast movement (usually in triple time) | - |
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schizocarp | (noun) a dry dehiscent fruit that at maturity splits into two or more parts each with a single seed | - |
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schizogony | (noun) asexual reproduction by multiple fission; characteristic of many sporozoan protozoans | - |
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schizoid | (adjective) of or relating to or characteristic of schizophrenia | Synonyms: schizophrenic |
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(adjective) marked by withdrawal and inability to form close relationships | - |
(noun) characterized by symptoms similar to but less severe than schizophrenia | Synonyms: schizotypal personality |
schizopetalon | (noun) a dainty South American annual having deeply pinnatifid leaves and racemes of fringed almond-scented purple-white flowers | Synonyms: Schizopetalon walkeri |
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schizophrenia | (noun) any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact | Synonyms: dementia praecox, schizophrenic disorder, schizophrenic psychosis |
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schizophrenic | (adjective) of or relating to or characteristic of schizophrenia | Synonyms: schizoid |
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(adjective) suffering from some form of schizophrenia | - |
(noun) someone who is afflicted with schizophrenia | - |
schizothymia | (noun) resembling schizophrenia but remaining within the bounds of normality | - |
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scorzonera | (noun) long black salsify | Synonyms: black salsify |
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(noun) perennial south European herb having narrow entire leaves and solitary yellow flower heads and long black edible roots shaped like carrots | Synonyms: black salsify, Scorzonera hispanica, viper's grass |
scyphozoan | (noun) any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle | - |
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spermatozoan | (noun) the male reproductive cell; the male gamete | Synonyms: sperm, sperm cell, spermatozoon |
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spermatozoid | (noun) a motile male gamete of a plant such as an alga or fern or gymnosperm | Synonyms: antherozoid |
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spermatozoon | (noun) the male reproductive cell; the male gamete | Synonyms: sperm, sperm cell, spermatozoan |
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sporozoan | (noun) parasitic spore-forming protozoan | - |
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sporozoite | (noun) one of the minute active bodies into which sporozoans divide in one stage of their life cycle | - |
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sulfamethoxazole | (noun) a sulfonamide (trade name Gantanol) used to treat infections (especially infections of the urinary tract) | Synonyms: Gantanol |
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sulfisoxazole | (noun) a sulfonamide (trade name Gantrisin) used to treat infections of the urinary tract | Synonyms: Gantrisin |
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terazosin | (noun) antihypertensive drug (trade name Hytrin) used to treat high blood pressure | Synonyms: Hytrin |
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thiabendazole | (noun) an antifungal agent and anthelmintic | - |
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tolazoline | (noun) vasodilator that is used to treat spasms of peripheral blood vessels (as in acrocyanosis) | - |
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trapezohedron | (noun) a polyhedron whose faces are trapeziums | - |
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trapezoid | (noun) the wrist bone between the trapezium and the capitate bones | Synonyms: os trapezoideum, trapezoid bone |
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(noun) a quadrilateral with two parallel sides | - |
trapezoidal | (adjective) resembling a trapezoid | - |
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trazodone | (noun) oral antidepressant (trade name Desyrel) that is a nontricyclic drug used as a sedative | Synonyms: Desyrel, trazodone hydrochloride |
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triazolam | (noun) a form of benzodiazepine (trade name Halcion) frequently prescribed as a sleeping pill; usually given to people who have trouble falling asleep | Synonyms: Halcion |
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trichobezoar | (noun) a compact mass of hair that forms in the alimentary canal (especially in the stomach of animals as a result of licking fur) | Synonyms: hair ball, hairball |
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trophozoite | (noun) a sporozoan in the active feeding stage of its life cycle | - |
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vizor | (noun) a brim that projects to the front to shade the eyes | Synonyms: bill, eyeshade, peak, visor |
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(noun) a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face | Synonyms: visor |
zoanthropy | (noun) the delusion that you have assumed the form of an animal | - |
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zoarium | (noun) a colony of zooids. | - |
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zodiac | (noun) (astrology) a circular diagram representing the 12 zodiacal constellations and showing their signs | - |
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(noun) a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes | - |
zodiacal | (adjective) relating to or included in the zodiac | - |
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zoftig | (adjective) (of a female body) healthily plump and vigorous | Synonyms: buxom, zaftig |
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zoic | (adjective) pertaining to animals or animal life or action | - |
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zombi | (noun) several kinds of rum with fruit juice and usually apricot liqueur | Synonyms: zombie |
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(noun) a dead body that has been brought back to life by a supernatural force | Synonyms: living dead, zombie |
(noun) someone who acts or responds in a mechanical or apathetic way | Synonyms: automaton, zombie |
(noun) a god of voodoo cults of African origin worshipped especially in West Indies | Synonyms: snake god, zombie |
(noun) (voodooism) a spirit or supernatural force that reanimates a dead body | Synonyms: zombi spirit, zombie, zombie spirit |
zombie | (noun) several kinds of rum with fruit juice and usually apricot liqueur | Synonyms: zombi |
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(noun) a dead body that has been brought back to life by a supernatural force | Synonyms: living dead, zombi |
(noun) someone who acts or responds in a mechanical or apathetic way | Synonyms: automaton, zombi |
(noun) a god of voodoo cults of African origin worshipped especially in West Indies | Synonyms: snake god, zombi |
(noun) (voodooism) a spirit or supernatural force that reanimates a dead body | Synonyms: zombi, zombi spirit, zombie spirit |
zona | (noun) (anatomy) any encircling or beltlike structure | Synonyms: zone |
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zonal | (adjective) associated with or divided into zones | - |
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(adjective) relating to or of the nature of a zone | Synonyms: zonary |
zonary | (adjective) relating to or of the nature of a zone | Synonyms: zonal |
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zone | (noun) (anatomy) any encircling or beltlike structure | Synonyms: zona |
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(noun) a locally circumscribed place characterized by some distinctive features | - |
(noun) an area or region distinguished from adjacent parts by a distinctive feature or characteristic | - |
(noun) any of the regions of the surface of the Earth loosely divided according to latitude or longitude | Synonyms: geographical zone |
(verb) separate or apportion into sections | Synonyms: partition |
(verb) regulate housing in; of certain areas of towns | Synonyms: district |
zoning | (noun) dividing an area into zones or sections reserved for different purposes such as residence and business and manufacturing etc | - |
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zonula | (noun) small beltlike zone | Synonyms: zonule |
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zonule | (noun) small beltlike zone | Synonyms: zonula |
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zoo | (noun) the facility where wild animals are housed for exhibition | Synonyms: menagerie, zoological garden |
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zooecdysone | (noun) The term 'zooecdysone' refers to the molting hormones of insects. | - |
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zooerastia | (noun) sexual activity between a person and an animal | Synonyms: bestiality, sodomy, zooerasty |
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zooerasty | (noun) sexual activity between a person and an animal | Synonyms: bestiality, sodomy, zooerastia |
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zooflagellate | (noun) flagellate protozoan lacking photosynthesis and other plant-like characteristics | Synonyms: zoomastigote |
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zooid | (noun) one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan | - |
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zoolatry | (noun) the worship of animals | Synonyms: animal-worship |
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zoological | (adjective) of or relating to animals or animal groups | - |
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(adjective) concerning the study of animals and their classification and properties | - |
zoologist | (noun) a specialist in the branch of biology dealing with animals | Synonyms: animal scientist |
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zoology | (noun) the branch of biology that studies animals | Synonyms: zoological science |
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(noun) all the animal life in a particular region or period | Synonyms: fauna |
zoom | (noun) the act of rising upward into the air | Synonyms: soar |
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(noun) a rapid rise | Synonyms: rapid climb, rapid growth |
(verb) move along very quickly | Synonyms: whizz, whizz along, zoom along |
(verb) move with a low humming noise | - |
(verb) rise rapidly | Synonyms: soar, soar up, soar upwards, surge |
zoomastigote | (noun) flagellate protozoan lacking photosynthesis and other plant-like characteristics | Synonyms: zooflagellate |
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zoomorphism | (noun) the attribution of animal forms or qualities to a god | - |
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