| aeromechanics | (noun) the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow | Synonyms: aerodynamics |
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| animatronics | (noun) the construction of robots to look like animals (developed for Disneyland) | - |
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| anionic | (noun) a class of synthetic detergents in which the molecules do not ionize in aqueous solutions | Synonyms: anionic detergent, non-ionic detergent |
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| architectonics | (noun) the science of architecture | Synonyms: tectonics |
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| arnica | (noun) an ointment used in treating bruises | - |
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| (noun) any of various rhizomatous usually perennial plants of the genus Arnica | - |
| (noun) used especially in treating bruises | - |
| arsenic | (noun) a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and in various alloys; found in arsenopyrite and orpiment and realgar | Synonyms: As, atomic number 33 |
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| (noun) a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer | Synonyms: arsenic trioxide, arsenous anhydride, arsenous oxide, ratsbane, white arsenic |
| arsenical | (noun) a pesticide or drug containing arsenic | - |
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| atonicity | (noun) lack of normal muscular tension or tonus | Synonyms: amyotonia, atonia, atony |
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| autogenics | (noun) training patients in self-induced relaxation | Synonyms: autogenic therapy, autogenic training |
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| avionics | (noun) science and technology of electronic systems and devices for aeronautics and astronautics | - |
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| benzylpenicillin | (noun) the penicillin that constitutes the principal component of many commercial antibiotics | Synonyms: penicillin G |
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| bionics | (noun) application of biological principles to the study and design of engineering systems (especially electronic systems) | - |
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| botanical | (noun) a drug made from part of a plant (as the bark or root or leaves) | - |
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| cacogenics | (noun) the study of the operation of factors causing degeneration in the type of offspring produced | Synonyms: dysgenics |
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| calisthenics | (noun) the practice of calisthenic exercises | Synonyms: callisthenics |
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| (noun) light exercises designed to promote general fitness | Synonyms: callisthenics |
| callisthenics | (noun) the practice of calisthenic exercises | Synonyms: calisthenics |
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| (noun) light exercises designed to promote general fitness | Synonyms: calisthenics |
| canicule | (noun) the hot period between early July and early September; a period of inactivity | Synonyms: canicular days, dog days |
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| chloramphenicol | (noun) an oral antibiotic (trade name Chloromycetin) used to treat serious infections (especially typhoid fever) | Synonyms: Chloromycetin |
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| chronicle | (noun) a record or narrative description of past events | Synonyms: account, history, story |
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| chronicler | (noun) someone who writes chronicles | - |
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| clinic | (noun) a healthcare facility for outpatient care | - |
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| (noun) meeting for diagnosis of problems and instruction or remedial work in a particular activity | - |
| (noun) a medical establishment run by a group of medical specialists | - |
| clinician | (noun) a practitioner (of medicine or psychology) who does clinical work instead of laboratory experiments | - |
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| colonic | (noun) a water enema given to flush out the colon | Synonyms: colonic irrigation |
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| comedogenic | (noun) A substance that tends to produce acne, such as by clogging pores on the skin. | Synonyms: comedogen, comedogenic substance |
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| communicant | (noun) a person entitled to receive Communion | - |
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| communicating | (noun) the activity of communicating; the activity of conveying information | Synonyms: communication |
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| communication | (noun) something that is communicated by or to or between people or groups | - |
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| (noun) the activity of communicating; the activity of conveying information | Synonyms: communicating |
| (noun) a connection allowing access between persons or places | - |
| communications | (noun) the discipline that studies the principles of transmitting information and the methods by which it is delivered (as print or radio or television etc.) | Synonyms: communication theory |
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| communicativeness | (noun) the trait of being communicative | - |
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| communicator | (noun) a person who communicates with others | - |
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| conic | (noun) (geometry) a curve generated by the intersection of a plane and a circular cone | Synonyms: conic section |
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| cornice | (noun) the topmost projecting part of an entablature | - |
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| (noun) a molding at the corner between the ceiling and the top of a wall | - |
| (noun) a decorative framework to conceal curtain fixtures at the top of a window casing | Synonyms: pelmet, valance, valance board |
| cryogenics | (noun) the branch of physics that studies the phenomena that occur at very low temperatures | Synonyms: cryogeny |
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| cryonics | (noun) the freezing of a seriously ill or recently deceased person to stop tissues from decomposing; the body is preserved until new medical cures are developed that might bring the person back to life | - |
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| cupronickel | (noun) a 60/40 alloy of copper and nickel | - |
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| cynic | (noun) someone who is critical of the motives of others | Synonyms: faultfinder |
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| cynicism | (noun) a cynical feeling of distrust | - |
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| cytoarchitectonics | (noun) the cellular composition of a bodily structure | Synonyms: cytoarchitecture |
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| dysgenics | (noun) the study of the operation of factors causing degeneration in the type of offspring produced | Synonyms: cacogenics |
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| ecumenicalism | (noun) (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity | Synonyms: ecumenicism, ecumenism |
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| ecumenicism | (noun) (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity | Synonyms: ecumenicalism, ecumenism |
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| electronics | (noun) the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices | - |
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| ethnic | (noun) a person who is a member of an ethnic group | - |
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| ethnicity | (noun) an ethnic quality or affiliation resulting from racial or cultural ties | - |
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| eugenics | (noun) the study of methods of improving genetic qualities by selective breeding (especially as applied to human mating) | - |
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| euthenics | (noun) the study of methods of improving human well-being and efficient functioning by improving environmental conditions | - |
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| excommunication | (noun) the act of banishing a member of a church from the communion of believers and the privileges of the church; cutting a person off from a religious society | Synonyms: excision |
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| (noun) the state of being excommunicated | Synonyms: censure, exclusion |
| fornication | (noun) voluntary sexual intercourse between persons not married to each other | - |
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| (noun) extramarital sex that willfully and maliciously interferes with marriage relations | Synonyms: adultery, criminal conversation |
| fornicator | (noun) someone who commits adultery or fornication | Synonyms: adulterer |
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| fornicatress | (noun) a woman adulterer | Synonyms: adulteress, hussy, jade, loose woman, slut, strumpet, trollop |
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| funicle | (noun) the stalk of a plant ovule or seed | Synonyms: funiculus |
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| funicular | (noun) a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars | Synonyms: cable railway, funicular railway |
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| funiculitis | (noun) inflammation of a funiculus (especially an inflammation of the spermatic cord) | - |
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| funiculus | (noun) any of several body structure resembling a cord | - |
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| (noun) the stalk of a plant ovule or seed | Synonyms: funicle |
| haematinic | (noun) a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia | Synonyms: hematinic |
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| harmonic | (noun) any of a series of musical tones whose frequencies are integral multiples of the frequency of a fundamental | - |
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| (noun) a tone that is a component of a complex sound | - |
| harmonica | (noun) a small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole | Synonyms: harp, mouth harp, mouth organ |
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| harmonics | (noun) the study of musical sound | - |
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| hematinic | (noun) a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia | Synonyms: haematinic |
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| histrionics | (noun) a performance of a play | Synonyms: representation, theatrical, theatrical performance |
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| (noun) a deliberate display of emotion for effect | - |
| hydroponics | (noun) a technique of growing plants (without soil) in water containing dissolved nutrients | Synonyms: aquiculture, tank farming |
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| hygienics | (noun) the science concerned with the prevention of illness and maintenance of health | Synonyms: hygiene |
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| hypertonicity | (noun) (of muscular tissue) the state of being hypertonic | Synonyms: hypertonia, hypertonus |
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| (noun) (of a solution) the extent to which a solution has a higher osmotic pressure than some other | - |
| hypotonicity | (noun) (of muscular tissue) the state of being hypotonic | Synonyms: hypotonia, hypotonus |
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| (noun) (of a solution) the extent to which a solution has a lower osmotic pressure than some other | - |
| immunogenicity | (noun) the property of eliciting an immune response | - |
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| intercommunication | (noun) mutual communication; communication with each other | - |
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| japonica | (noun) deciduous thorny shrub native to Japan having red blossoms | Synonyms: Chaenomeles japonica, maule's quince |
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| (noun) greenhouse shrub with glossy green leaves and showy fragrant rose-like flowers; cultivated in many varieties | Synonyms: Camellia japonica |
| kernicterus | (noun) an abnormal accumulation of bile pigment in the brain and other nerve tissue; causes yellow staining and tissue damage | - |
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| knickerbockers | (noun) (used in the plural) trousers ending above the knee | Synonyms: breeches, knee breeches, knee pants, knickers |
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| knickers | (noun) (used in the plural) underpants worn by women | Synonyms: bloomers, drawers, pants |
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| (noun) (used in the plural) trousers ending above the knee | Synonyms: breeches, knee breeches, knee pants, knickerbockers |
| knickknack | (noun) miscellaneous curios | Synonyms: bric-a-brac, knickknackery, nicknack, whatnot |
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| (noun) a small inexpensive mass-produced article | Synonyms: novelty |
| knickknackery | (noun) miscellaneous curios | Synonyms: bric-a-brac, knickknack, nicknack, whatnot |
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| laconicism | (noun) terseness of expression | Synonyms: laconism |
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| lysogenicity | (noun) the condition of a host bacterium that has incorporated a phage into its own genetic material | Synonyms: lysogeny |
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| manicotti | (noun) large pasta tubes stuffed with chopped meat or mild cheese and baked in tomato sauce | - |
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| manicure | (noun) professional care for the hands and fingernails | - |
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| manicurist | (noun) a beautician who cleans and trims and polishes the fingernails | - |
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| mechanic | (noun) a craftsman skilled in operating machine tools | Synonyms: machinist, shop mechanic |
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| (noun) someone whose occupation is repairing and maintaining automobiles | Synonyms: auto-mechanic, automobile mechanic, car-mechanic, grease monkey |
| mechanics | (noun) the technical aspects of doing something | Synonyms: mechanism |
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| (noun) the branch of physics concerned with the motion of bodies in a frame of reference | - |
| microelectronics | (noun) the branch of electronics that deals with miniature components | - |
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| minicab | (noun) a minicar used as a taxicab | - |
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| minicalculator | (noun) (old-fashioned) a very small handheld calculator. | - |
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| minicar | (noun) a car that is even smaller than a subcompact car | - |
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| minicomputer | (noun) a digital computer of medium size | - |
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| mnemonic | (noun) a device (such as a rhyme or acronym) used to aid recall | - |
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| mnemonics | (noun) a method or system for improving the memory | - |
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| municipality | (noun) people living in a town or city having local self-government | - |
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| (noun) an urban district having corporate status and powers of self-government | - |
| neurasthenic | (noun) a person suffering a nervous breakdown | - |
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| nicad | (noun) a rechargeable battery with a nickel cathode and a cadmium anode; often used in emergency systems because of its low discharge rate when not in use | Synonyms: nickel-cadmium accumulator |
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| niceness | (noun) the quality of nice | - |
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| (noun) the quality of being difficult to detect or analyze | Synonyms: subtlety |
| (noun) a courteous manner that respects accepted social usage | Synonyms: politeness |
| nicety | (noun) conformity with some esthetic standard of correctness or propriety | Synonyms: justness, rightness |
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| (noun) a subtle difference in meaning or opinion or attitude | Synonyms: nuance, refinement, shade, subtlety |
| niche | (noun) an enclosure that is set back or indented | Synonyms: recess |
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| (noun) a small concavity | Synonyms: corner, recess, recession |
| (noun) a position particularly well suited to the person who or organization which occupies it | - |
| (noun) (ecology) the status of an organism within its environment and community (affecting its survival as a species) | Synonyms: ecological niche |
| nick | (noun) a small cut | Synonyms: notch, snick |
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| (noun) (British slang) a prison | - |
| (noun) an impression in a surface (as made by a blow) | Synonyms: dent, ding, gouge |
| nickel | (noun) a United States coin worth one twentieth of a dollar | - |
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| (noun) five dollars worth of a drug | Synonyms: nickel note |
| (noun) a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite | Synonyms: atomic number 28, Ni |
| nickelodeon | (noun) a cabinet containing an automatic record player; records are played by inserting a coin | Synonyms: jukebox |
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| nicker | (noun) the characteristic sounds made by a horse | Synonyms: neigh, whicker, whinny |
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| nicknack | (noun) miscellaneous curios | Synonyms: bric-a-brac, knickknack, knickknackery, whatnot |
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| nickname | (noun) a familiar name for a person (often a shortened version of a person's given name) | Synonyms: byname, cognomen, moniker, sobriquet, soubriquet |
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| (noun) a descriptive name for a place or thing | - |
| nicotine | (noun) an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide | - |
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| nictation | (noun) a reflex that closes and opens the eyes rapidly | Synonyms: blink, blinking, eye blink, nictitation, wink, winking |
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