| accentor | (noun) small sparrow-like songbird of mountainous regions of Eurasia | - |
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| allantois | (noun) the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) | - |
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| antonym | (noun) a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other | Synonyms: opposite, opposite word |
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| antonymy | (noun) the semantic relation that holds between two words that can (in a given context) express opposite meanings | - |
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| badminton | (noun) a game played on a court with light long-handled rackets used to volley a shuttlecock over a net | - |
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| bentonite | (noun) an absorbent aluminum silicate clay formed from volcanic ash | - |
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| brontosaur | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaur, apatosaurus, Apatosaurus excelsus, brontosaurus, thunder lizard |
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| brontosaurus | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaur, apatosaurus, Apatosaurus excelsus, brontosaur, thunder lizard |
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| canto | (noun) a major division of a long poem | - |
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| (noun) the highest part (usually the melody) in a piece of choral music | - |
| canton | (noun) a small administrative division of a country | - |
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| cantonment | (noun) temporary living quarters specially built by the army for soldiers | Synonyms: bivouac, camp, encampment |
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| cantor | (noun) the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos | Synonyms: hazan |
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| (noun) the musical director of a choir | Synonyms: choirmaster, precentor |
| chorioallantois | (noun) the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois | Synonyms: chorioallantoic membrane |
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| clintonia | (noun) any temperate liliaceous plant of the genus Clintonia having broad basal leaves and white or yellowish or purplish flowers followed by blue or black berries | Synonyms: Clinton's lily |
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| conto | (noun) 1 conto equals 1,000 escudos in Portugal | - |
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| contortion | (noun) the act of twisting or deforming the shape of something (e.g., yourself) | Synonyms: deformation |
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| (noun) a tortuous and twisted shape or position | Synonyms: crookedness, torsion, tortuosity, tortuousness |
| contortionist | (noun) an acrobat able to twist into unusual positions | - |
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| contour | (noun) any spatial attributes (especially as defined by outline) | Synonyms: configuration, conformation, form, shape |
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| (noun) a feature (or the order or arrangement of features) of anything having a complex structure | - |
| (noun) a line drawn on a map connecting points of equal height | Synonyms: contour line |
| demantoid | (noun) a green andradite used as a gemstone | - |
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| diphenylhydantoin | (noun) an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative | Synonyms: Dilantin, phenytoin |
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| divertimento | (noun) a musical composition in several movements; has no fixed form | Synonyms: serenade |
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| downtown | (noun) the central area or commercial center of a town or city | Synonyms: business district |
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| edmontosaurus | (noun) duck-billed dinosaur from Canada found as a fossilized mummy with skin | - |
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| entoblast | (noun) the inner germ layer that develops into the lining of the digestive and respiratory systems | Synonyms: endoblast, endoderm, entoderm, hypoblast |
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| entoderm | (noun) the inner germ layer that develops into the lining of the digestive and respiratory systems | Synonyms: endoblast, endoderm, entoblast, hypoblast |
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| entombment | (noun) the ritual placing of a corpse in a grave | Synonyms: burial, inhumation, interment, sepulture |
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| entomion | (noun) the craniometric point at the tip of the angular part of the parietal bone that articulates with the temporal bone | - |
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| entomologist | (noun) a zoologist who studies insects | Synonyms: bug-hunter, bugologist |
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| entomology | (noun) the branch of zoology that studies insects | Synonyms: bugology |
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| entomophobia | (noun) a morbid fear of insects | - |
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| entoparasite | (noun) any of various parasites that live in the internal organs of animals (especially intestinal worms) | Synonyms: endoparasite, endozoan, entozoan, entozoon |
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| entoproct | (noun) any of various moss-like aquatic animals usually forming branching colonies; each polyp having a both mouth and anus within a closed ring of tentacles | - |
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| entourage | (noun) the group following and attending to some important person | Synonyms: cortege, retinue, suite |
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| entozoan | (noun) any of various parasites that live in the internal organs of animals (especially intestinal worms) | Synonyms: endoparasite, endozoan, entoparasite, entozoon |
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| entozoon | (noun) any of various parasites that live in the internal organs of animals (especially intestinal worms) | Synonyms: endoparasite, endozoan, entoparasite, entozoan |
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| fantods | (noun) an ill-defined state of irritability and distress | - |
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| fermentologist | (noun) a specialist in wine making | Synonyms: enologist, oenologist |
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| gerontocracy | (noun) a political system governed by old men | - |
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| gerontologist | (noun) a specialist in gerontology | Synonyms: geriatrician |
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| gerontology | (noun) the branch of medical science that deals with diseases and problems specific to old people | Synonyms: geriatrics |
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| grantor | (noun) a person who makes a grant in legal form | - |
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| guarantor | (noun) one who provides a warrant or guarantee to another | Synonyms: surety, warranter, warrantor |
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| hydantoin | (noun) any of a group of anticonvulsant drugs used in treating epilepsy | - |
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| intolerance | (noun) impatience with annoyances | - |
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| (noun) unwillingness to recognize and respect differences in opinions or beliefs | - |
| intonation | (noun) the act of singing in a monotonous tone | Synonyms: chanting |
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| (noun) singing by a soloist of the opening piece of plainsong | - |
| (noun) the production of musical tones (by voice or instrument); especially the exactitude of the pitch relations | - |
| (noun) rise and fall of the voice pitch | Synonyms: modulation, pitch contour |
| intoxicant | (noun) a drug that can produce a state of intoxication | - |
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| (noun) a liquor or brew containing alcohol as the active agent | Synonyms: alcohol, alcoholic beverage, alcoholic drink, inebriant |
| intoxication | (noun) excitement and elation beyond the bounds of sobriety | - |
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| (noun) a temporary state resulting from excessive consumption of alcohol | Synonyms: drunkenness, inebriation, inebriety, insobriety, tipsiness |
| (noun) the physiological state produced by a poison or other toxic substance | Synonyms: poisoning, toxic condition |
| inventor | (noun) someone who is the first to think of or make something | Synonyms: artificer, discoverer |
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| inventory | (noun) making an itemized list of merchandise or supplies on hand | Synonyms: inventorying, stock-taking, stocktaking |
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| (noun) the merchandise that a shop has on hand | Synonyms: stock |
| (noun) a collection of resources | Synonyms: armory, armoury |
| (noun) a detailed list of all the items in stock | Synonyms: stock list |
| (noun) (accounting) the value of a firm's current assets including raw materials and work in progress and finished goods | - |
| inventorying | (noun) making an itemized list of merchandise or supplies on hand | Synonyms: inventory, stock-taking, stocktaking |
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| iontophoresis | (noun) therapy that uses a local electric current to introduce the ions of a medicine into the tissues | Synonyms: electromotive drug administration, EMDA, ionic medication, iontotherapy |
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| iontotherapy | (noun) therapy that uses a local electric current to introduce the ions of a medicine into the tissues | Synonyms: electromotive drug administration, EMDA, ionic medication, iontophoresis |
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| junto | (noun) a clique (often secret) that seeks power usually through intrigue | Synonyms: cabal, camarilla, faction |
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| macintosh | (noun) a waterproof raincoat made of rubberized fabric | Synonyms: mac, mack, mackintosh |
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| (noun) a lightweight waterproof (usually rubberized) fabric | Synonyms: mackintosh |
| mackintosh | (noun) a lightweight waterproof (usually rubberized) fabric | Synonyms: macintosh |
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| (noun) a waterproof raincoat made of rubberized fabric | Synonyms: mac, macintosh, mack |
| memento | (noun) a reminder of past events | Synonyms: souvenir |
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| mentor | (noun) a wise and trusted guide and advisor | Synonyms: wise man |
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| mentoree | (noun) one who is being mentored | Synonyms: mentee |
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| micropaleontology | (noun) the paleontology of microfossils | - |
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| momentousness | (noun) utmost importance | - |
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| nitrofurantoin | (noun) derivative of nitrofuran used as an antibacterial medicine (trade name Macrodantin) effective against a broad range of Gram-positive and Gram-negative bacteria; used to treat infections of the urinary tract | Synonyms: Macrodantin |
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| nontoxicity | (noun) The state or condition of not being toxic or poisonous. | - |
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| odontoglossum | (noun) any of numerous and diverse orchids of the genus Odontoglossum having racemes of few to many showy usually large flowers in many colors | - |
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| odontology | (noun) the branch of medicine dealing with the anatomy and development and diseases of the teeth | Synonyms: dental medicine, dentistry |
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| ontogenesis | (noun) (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | Synonyms: development, growing, growth, maturation, ontogeny |
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| ontogeny | (noun) (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | Synonyms: development, growing, growth, maturation, ontogenesis |
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| ontology | (noun) the metaphysical study of the nature of being and existence | - |
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| (noun) (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations | - |
| palaeontologist | (noun) a specialist in paleontology | Synonyms: fossilist, paleontologist |
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| palaeontology | (noun) the earth science that studies fossil organisms and related remains | Synonyms: fossilology, paleontology |
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| paleontologist | (noun) a specialist in paleontology | Synonyms: fossilist, palaeontologist |
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| paleontology | (noun) the earth science that studies fossil organisms and related remains | Synonyms: fossilology, palaeontology |
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| panto | (noun) an abbreviation of pantomime | - |
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| pantograph | (noun) mechanical device used to copy a figure or plan on a different scale | - |
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| pantomime | (noun) a performance using gestures and body movements without words | Synonyms: dumb show, mime |
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| pantomimer | (noun) an actor who communicates entirely by gesture and facial expression | Synonyms: mime, mimer, mummer, pantomimist |
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| pantomimist | (noun) an actor who communicates entirely by gesture and facial expression | Synonyms: mime, mimer, mummer, pantomimer |
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| pantothen | (noun) a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods | Synonyms: pantothenic acid |
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| pentimento | (noun) the reappearance in a painting of an underlying image that had been painted over (usually when the later painting becomes transparent with age) | - |
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| pentobarbital | (noun) a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic | Synonyms: Nembutal, pentobarbital sodium, yellow jacket |
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| pentode | (noun) a thermionic tube having five electrodes | - |
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| pentose | (noun) any monosaccharide sugar containing five atoms of carbon per molecule | - |
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| pentoxide | (noun) an oxide containing five atoms of oxygen in the molecule | - |
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| pentoxifylline | (noun) a drug (trade name Trental) used to treat claudication; believed to increase the flexibility of red blood cells so they can flow through the blood vessels to the legs and feet | Synonyms: Trental |
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| pericementoclasia | (noun) pus pocket formation around a tooth | - |
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| phantom | (noun) something existing in perception only | Synonyms: apparition, fantasm, phantasm, phantasma, shadow |
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| (noun) a ghostly appearing figure | Synonyms: apparition, fantasm, phantasm, phantasma, specter, spectre |
| phentolamine | (noun) a virility drug (trade name Vasomax) to treat erectile dysfunction in men | Synonyms: Vasomax |
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| pimento | (noun) fully ripened sweet red pepper; usually cooked | Synonyms: pimiento |
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| (noun) plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers | Synonyms: bell pepper, Capsicum annuum grossum, paprika, pimiento, sweet pepper, sweet pepper plant |
| pimiento | (noun) fully ripened sweet red pepper; usually cooked | Synonyms: pimento |
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| (noun) plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers | Synonyms: bell pepper, Capsicum annuum grossum, paprika, pimento, sweet pepper, sweet pepper plant |
| pinto | (noun) a spotted or calico horse or pony | - |
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| pontoon | (noun) a float supporting a seaplane | - |
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| (noun) (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge | - |
| precentor | (noun) the musical director of a choir | Synonyms: cantor, choirmaster |
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| precentorship | (noun) the position of precentor | - |
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| printout | (noun) the output of a computer in printed form | - |
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| promontory | (noun) a natural elevation (especially a rocky one that juts out into the sea) | Synonyms: foreland, head, headland |
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| pronunciamento | (noun) a public declaration of intentions (as issued by a political party or government) | Synonyms: manifesto |
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| quantong | (noun) red Australian fruit; used for dessert or in jam | Synonyms: native peach, quandang, quandong |
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| quattrocento | (noun) the 15th century in Italian art and literature | - |
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| stentor | (noun) any of several trumpet-shaped ciliate protozoans that are members of the genus Stentor | - |
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| (noun) a speaker with an unusually loud voice | - |
| syntony | (noun) the state of being normally responsive to and in harmony with the environment. | - |
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| tentorium | (noun) (anatomy) a fold of dura mater that covers the cerebellum and supports the occipital lobes of the cerebrum | - |
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