| acrocyanosis | (noun) cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion | Synonyms: Raynaud's sign |
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| anoa | (noun) small buffalo of the Celebes having small straight horns | Synonyms: Anoa depressicornis, dwarf buffalo |
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| anode | (noun) a positively charged electrode by which electrons leave an electrical device | - |
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| (noun) the negatively charged terminal of a voltaic cell or storage battery that supplies current | - |
| anodyne | (noun) a medicine used to relieve pain | Synonyms: analgesic, pain pill, painkiller |
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| anoestrum | (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | Synonyms: anestrum, anestrus, anoestrus |
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| anoestrus | (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | Synonyms: anestrum, anestrus, anoestrum |
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| anointer | (noun) one who anoints as a religious ceremony | - |
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| anointing | (noun) the act of applying oil or an oily liquid | Synonyms: anointment |
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| anointment | (noun) the act of applying oil or an oily liquid | Synonyms: anointing |
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| anole | (noun) small arboreal tropical American insectivorous lizards with the ability to change skin color | Synonyms: American chameleon, Anolis carolinensis |
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| anomalist | (noun) someone who has a special interest in exceptional cases | - |
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| anomalops | (noun) fish having a luminous organ beneath eye; of warm waters of the western Pacific and Puerto Rico | Synonyms: flashlight fish |
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| anomalopteryx | (noun) the smallest moa; slender moa about the size of a large turkey | Synonyms: Anomalopteryx oweni |
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| anomalousness | (noun) deviation from the normal or common order or form or rule | Synonyms: anomaly |
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| anomaly | (noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun) | - |
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| (noun) a person who is unusual | Synonyms: unusual person |
| (noun) deviation from the normal or common order or form or rule | Synonyms: anomalousness |
| anomia | (noun) inability to name objects or to recognize written or spoken names of objects | Synonyms: amnesic aphasia, amnestic aphasia, anomic aphasia, nominal aphasia |
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| anomie | (noun) lack of moral standards in a society | Synonyms: anomy |
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| (noun) personal state of isolation and anxiety resulting from a lack of social control and regulation | Synonyms: anomy |
| anomy | (noun) lack of moral standards in a society | Synonyms: anomie |
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| (noun) personal state of isolation and anxiety resulting from a lack of social control and regulation | Synonyms: anomie |
| anonym | (noun) a fictitious name used when the person performs a particular social role | Synonyms: nom de guerre, pseudonym |
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| anonymity | (noun) the state of being anonymous | Synonyms: namelessness |
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| anopheline | (noun) any mosquito of the genus Anopheles | - |
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| anopia | (noun) sightlessness (especially because of a structural defect in or the absence of an eye) | - |
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| anorak | (noun) a kind of heavy jacket | Synonyms: parka, windbreaker, windcheater |
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| anorchia | (noun) absence of one of both testes | Synonyms: anorchidism, anorchism |
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| anorchidism | (noun) absence of one of both testes | Synonyms: anorchia, anorchism |
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| anorchism | (noun) absence of one of both testes | Synonyms: anorchia, anorchidism |
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| anorectic | (noun) a person suffering from anorexia nervosa | Synonyms: anorexic |
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| anorexia | (noun) a prolonged disorder of eating due to loss of appetite | - |
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| anorexic | (noun) a person suffering from anorexia nervosa | Synonyms: anorectic |
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| anorgasmia | (noun) absence of an orgasm in sexual relations | - |
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| anorthite | (noun) rare plagioclastic feldspar occurring in many igneous rocks | - |
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| anorthography | (noun) a loss of the ability to write or to express thoughts in writing because of a brain lesion | Synonyms: agraphia, logagraphia |
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| anorthopia | (noun) distorted vision in which straight lines appear curved | - |
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| anosmia | (noun) absence of the sense of smell (as by damage to olfactory nasal tissue or the olfactory nerve or by obstruction of the nasal passages) | - |
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| anovulant | (noun) a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception | Synonyms: anovulatory drug, birth control pill, contraceptive pill, oral contraceptive, oral contraceptive pill, pill |
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| anovulation | (noun) the absence of ovulation due to immaturity or post-maturity or pregnancy or oral contraceptive pills or dysfunction of the ovary | - |
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| anoxemia | (noun) abnormally low oxygen content in arterial blood | - |
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| anoxia | (noun) severe hypoxia; absence of oxygen in inspired gases or in arterial blood or in the tissues | - |
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| athanor | (noun) a furnace that feeds itself so as to maintain a uniform temperature; used by alchemists | - |
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| balanoposthitis | (noun) inflammation of both the head of the penis and the foreskin | - |
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| beano | (noun) a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards | Synonyms: bingo, keno, lotto |
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| boliviano | (noun) the basic unit of money in Bolivia; equal to 100 centavos | - |
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| butanol | (noun) a flammable alcohol derived from butanes and used for solvents | Synonyms: butyl alcohol |
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| butanone | (noun) colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid | Synonyms: methyl ethyl ketone |
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| canoe | (noun) small and light boat; pointed at both ends; propelled with a paddle | - |
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| canoeist | (noun) someone paddling a canoe | Synonyms: paddler |
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| canola | (noun) vegetable oil made from rapeseed; it is high in monounsaturated fatty acids | Synonyms: canola oil |
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| canon | (noun) a rule or especially body of rules or principles generally established as valid and fundamental in a field of art or philosophy | - |
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| (noun) a contrapuntal piece of music in which a melody in one part is imitated exactly in other parts | - |
| (noun) a collection of books accepted as holy scripture especially the books of the Bible recognized by any Christian church as genuine and inspired | - |
| (noun) a complete list of saints that have been recognized by the Roman Catholic Church | - |
| (noun) a ravine formed by a river in an area with little rainfall | Synonyms: canyon |
| (noun) a priest who is a member of a cathedral chapter | - |
| canonisation | (noun) (Roman Catholic and Eastern Orthodox Church) the act of admitting a deceased person into the canon of saints | Synonyms: canonization |
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| canonist | (noun) a specialist in canon law | - |
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| canonization | (noun) (Roman Catholic and Eastern Orthodox Church) the act of admitting a deceased person into the canon of saints | Synonyms: canonisation |
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| canopy | (noun) a covering (usually of cloth) that serves as a roof to shelter an area from the weather | - |
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| (noun) the umbrellalike part of a parachute that fills with air | - |
| (noun) the transparent covering of an aircraft cockpit | - |
| chanoyu | (noun) an ancient ritual for preparing and serving and drinking tea | Synonyms: tea ceremony |
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| choanocyte | (noun) any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum; they maintain a flow of water through the body | Synonyms: collar cell |
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| cyanobacteria | (noun) predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton | Synonyms: blue-green algae |
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| cyanocobalamin | (noun) a B vitamin that is used to treat pernicious anemia | Synonyms: antipernicious anemia factor, cobalamin, vitamin B12 |
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| cyanogen | (noun) a colorless toxic gas with a pungent almond odor; has been used in chemical warfare | - |
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| cyanohydrin | (noun) any organic compound in which the cyano radical -CN and the hydroxyl radical -OH are attached to the same carbon atom | - |
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| cyanosis | (noun) a bluish discoloration of the skin and mucous membranes | - |
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| cyclohexanol | (noun) a colorless oily alcohol that smells like camphor | - |
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| demeanor | (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behavior, behaviour, conduct, demeanour, deportment |
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| demeanour | (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behavior, behaviour, conduct, demeanor, deportment |
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| deoxyguanosine | (noun) a nucleoside component of DNA; composed of guanine and deoxyribose | Synonyms: guanosine |
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| deuteranopia | (noun) dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red | Synonyms: Daltonism, green-blindness |
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| diaphanoscope | (noun) An instrument for illuminating the interior of a cavity to determine the translucency of its walls. | - |
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| didanosine | (noun) an antiviral drug used to combat HIV infection, a reverse transcriptase inhibitor | Synonyms: ddI, DDI, dideoxyinosine |
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| epanodos | (noun) repetition of a group of words in reverse order | - |
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| (noun) recapitulation of the main ideas of a speech (especially in reverse order) | - |
| epanorthosis | (noun) immediate rephrasing for intensification or justification | - |
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| ethanoate | (noun) a salt or ester of acetic acid | Synonyms: acetate |
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| ethanol | (noun) the intoxicating agent in fermented and distilled liquors; used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel; proposed as a renewable clean-burning additive to gasoline | Synonyms: ethyl alcohol, fermentation alcohol, grain alcohol |
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| galvanometer | (noun) meter for detecting or comparing or measuring small electric currents | - |
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| ganof | (noun) (Yiddish) a thief or dishonest person or scoundrel (often used as a general term of abuse) | Synonyms: ganef, gonif, goniff |
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| ganoid | (noun) primitive fishes having thick bony scales with a shiny covering | Synonyms: ganoid fish |
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| ganoin | (noun) shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales | Synonyms: ganoine |
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| ganoine | (noun) shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales | Synonyms: ganoin |
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| gitano | (noun) a Spanish male Gypsy | - |
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| granola | (noun) cereal made of especially rolled oats with dried fruits and nuts and honey or brown sugar | - |
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| guano | (noun) the excrement of sea birds; used as fertilizer | - |
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| guanosine | (noun) a nucleoside component of DNA; composed of guanine and deoxyribose | Synonyms: deoxyguanosine |
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| headcanon | (noun) A personal version of the fantasy world from popular media | - |
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| hemianopia | (noun) blindness in one half of the visual field of one or both eyes | Synonyms: hemianopsia |
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| hemianopsia | (noun) blindness in one half of the visual field of one or both eyes | Synonyms: hemianopia |
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| humanoid | (noun) an automaton that resembles a human being | Synonyms: android, mechanical man |
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| iguanodon | (noun) massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and northern Africa; early Cretaceous period | - |
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| isopropanol | (noun) alcohol used as antifreeze or a solvent | Synonyms: isopropyl alcohol |
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| kiwano | (noun) a fruit that has orange skin and lime green, jelly-like flesh with a refreshingly fruity taste, and texture similar to a passionfruit or pomegranate; grows on the annual vine Cucumis metuliferus. | - |
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| lanolin | (noun) an emollient containing wool fat (a fatty substance obtained from the wool of sheep) | - |
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| (noun) a yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics | Synonyms: wool fat, wool grease |
| lanthanoid | (noun) any element of the lanthanide series (atomic numbers 57 through 71) | Synonyms: lanthanide, lanthanon, rare-earth element, rare earth |
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| lanthanon | (noun) any element of the lanthanide series (atomic numbers 57 through 71) | Synonyms: lanthanide, lanthanoid, rare-earth element, rare earth |
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| lecanopteris | (noun) any of several bizarre ferns of the genus Lecanopteris having swollen hollow rhizomes that provide homes for symbiotic ants | - |
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| lecanora | (noun) any lichen of the genus Lecanora; some used in dyeing; some used for food | - |
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| llano | (noun) an extensive grassy and nearly treeless plain (especially in Latin America) | - |
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| manoeuvrability | (noun) the quality of being maneuverable | Synonyms: maneuverability |
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| manoeuvre | (noun) a move made to gain a tactical end | Synonyms: maneuver, tactical maneuver, tactical manoeuvre |
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| (noun) an action aimed at evading an opponent | Synonyms: evasive action, maneuver |
| (noun) a military training exercise | Synonyms: maneuver, simulated military operation |
| (noun) a deliberate coordinated movement requiring dexterity and skill | Synonyms: maneuver, play |
| (noun) a plan for attaining a particular goal | Synonyms: maneuver, tactic, tactics |
| manoeuvrer | (noun) a person skilled in maneuvering | Synonyms: maneuverer |
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| manometer | (noun) a pressure gauge for comparing pressures of a gas | - |
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| manor | (noun) the mansion of a lord or wealthy person | Synonyms: manor house |
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| (noun) the landed estate of a lord (including the house on it) | - |
| melanoblast | (noun) an epidermal cell that is a precursor of a melanocyte | - |
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| melanocyte | (noun) a cell in the basal layer of the epidermis that produces melanin under the control of the melanocyte-stimulating hormone | - |
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| melanoderma | (noun) abnormally dark skin caused by increased deposits of melatonin | - |
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