| cronyism | (noun) favoritism shown to friends and associates (as by appointing them to positions without regard for their qualifications) | - |
|---|
| cumarone | (noun) a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins | Synonyms: benzofuran, coumarone |
|---|
| cupronickel | (noun) a 60/40 alloy of copper and nickel | - |
|---|
| cyclotron | (noun) an accelerator that imparts energies of several million electron-volts to rapidly moving particles | - |
|---|
| decahedron | (noun) any polyhedron having ten plane faces | - |
|---|
| desynchronisation | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, asynchrony, desynchronization, desynchronizing |
|---|
| desynchronization | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, asynchrony, desynchronisation, desynchronizing |
|---|
| desynchronizing | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, asynchrony, desynchronisation, desynchronization |
|---|
| dethronement | (noun) the act of deposing someone; removing a powerful person from a position or office | Synonyms: deposition |
|---|
| deuteron | (noun) the nucleus of deuterium; consists of one proton and one neutron; used as a bombarding particle in accelerators | - |
|---|
| diachrony | (noun) the study of linguistic change | Synonyms: diachronic linguistics, historical linguistics |
|---|
| dipteron | (noun) insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing | Synonyms: dipteran, dipterous insect, two-winged insects |
|---|
| dodecahedron | (noun) any polyhedron having twelve plane faces | - |
|---|
| dronabinol | (noun) psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy | - |
|---|
| drone | (noun) stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen | - |
|---|
| (noun) a pipe of the bagpipe that is tuned to produce a single continuous tone | Synonyms: bourdon, drone pipe |
| (noun) an aircraft without a pilot that is operated by remote control | Synonyms: pilotless aircraft, radio-controlled aircraft |
| (noun) an unchanging intonation | Synonyms: droning, monotone |
| (noun) someone who takes more time than necessary; someone who lags behind | Synonyms: dawdler, laggard, lagger, poke, trailer |
| droning | (noun) an unchanging intonation | Synonyms: drone, monotone |
|---|
| effrontery | (noun) audacious (even arrogant) behavior that you have no right to | Synonyms: assumption, presumption, presumptuousness |
|---|
| electron | (noun) an elementary particle with negative charge | Synonyms: negatron |
|---|
| electronegativity | (noun) (chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond | Synonyms: negativity |
|---|
| electronics | (noun) the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices | - |
|---|
| elytron | (noun) either of the horny front wings in beetles and some other insects which cover and protect the functional hind wings | Synonyms: wing case |
|---|
| enteron | (noun) the alimentary canal (especially of an embryo or a coelenterate) | - |
|---|
| enthronement | (noun) the ceremony of installing a new monarch | Synonyms: coronation, enthronisation, enthronization, investiture |
|---|
| enthronisation | (noun) the ceremony of installing a new monarch | Synonyms: coronation, enthronement, enthronization, investiture |
|---|
| enthronization | (noun) the ceremony of installing a new monarch | Synonyms: coronation, enthronement, enthronisation, investiture |
|---|
| environment | (noun) the area in which something exists or lives | Synonyms: environs, surround, surroundings |
|---|
| (noun) the totality of surrounding conditions | - |
| environmentalism | (noun) the activity of protecting the environment from pollution or destruction | - |
|---|
| (noun) the philosophical doctrine that environment is more important than heredity in determining intellectual growth | - |
| environmentalist | (noun) someone who works to protect the environment from destruction or pollution | Synonyms: conservationist |
|---|
| environs | (noun) the area in which something exists or lives | Synonyms: environment, surround, surroundings |
|---|
| (noun) an outer adjacent area of any place | Synonyms: purlieu |
| ephemeron | (noun) anything short-lived, as an insect that lives only for a day in its winged form | Synonyms: ephemeral |
|---|
| epidendron | (noun) any of various orchids of the genus Epidendrum | - |
|---|
| erroneousness | (noun) inadvertent incorrectness | Synonyms: error |
|---|
| estrone | (noun) a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency | Synonyms: Estronol, oestrone, theelin |
|---|
| euronithopod | (noun) widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon) | Synonyms: Euronithopoda, Ornithopoda, suborder Euronithopoda, suborder Ornithopoda |
|---|
| flatiron | (noun) an iron that was heated by placing it on a stove | - |
|---|
| forefront | (noun) the position of greatest importance or advancement; the leading position in any movement or field | Synonyms: cutting edge, vanguard |
|---|
| (noun) the part in the front or nearest the viewer | Synonyms: head |
| frond | (noun) compound leaf of a fern or palm or cycad | - |
|---|
| front | (noun) the side that is seen or that goes first | - |
|---|
| (noun) the outward appearance of a person | - |
| (noun) a group of people with a common ideology who try together to achieve certain general goals | Synonyms: movement, social movement |
| (noun) the side that is forward or prominent | Synonyms: forepart, front end |
| (noun) the line along which opposing armies face each other | Synonyms: battlefront, front line |
| (noun) the part of something that is nearest to the normal viewer | - |
| (noun) the immediate proximity of someone or something | Synonyms: presence |
| (noun) a person used as a cover for some questionable activity | Synonyms: figurehead, front man, nominal head, straw man, strawman |
| (noun) (meteorology) the atmospheric phenomenon created at the boundary between two different air masses | - |
| (noun) a sphere of activity involving effort | - |
| frontage | (noun) the face or front of a building | Synonyms: facade, frontal |
|---|
| (noun) the extent of land abutting on a street or water | - |
| (noun) the direction in which something (such as a building) faces | - |
| frontal | (noun) an adornment worn on the forehead | Synonyms: frontlet |
|---|
| (noun) a drapery that covers the front of an altar | - |
| (noun) the face or front of a building | Synonyms: facade, frontage |
| frontbencher | (noun) a member of the House of Commons who is a minister in the government or who holds an official position in an opposition party | - |
|---|
| frontier | (noun) an undeveloped field of study; a topic inviting research and development | - |
|---|
| (noun) a wilderness at the edge of a settled area of a country | - |
| (noun) an international boundary or the area (often fortified) immediately inside the boundary | - |
| frontiersman | (noun) a man who lives on the frontier | Synonyms: backwoodsman, mountain man |
|---|
| frontierswoman | (noun) a woman who lives on the frontier | - |
|---|
| frontispiece | (noun) front illustration facing the title page of a book | - |
|---|
| (noun) an ornamental facade | - |
| frontlet | (noun) an adornment worn on the forehead | Synonyms: frontal |
|---|
| frontstall | (noun) medieval plate armor to protect a horse's head | Synonyms: chamfron, chanfron, front-stall, testiere |
|---|
| gastronome | (noun) a person devoted to refined sensuous enjoyment (especially good food and drink) | Synonyms: bon vivant, epicure, epicurean, foodie, gourmet |
|---|
| gastronomy | (noun) the art and practice of choosing and preparing and eating good food | - |
|---|
| (noun) a particular style of cookery (as of a region) | - |
| gerontocracy | (noun) a political system governed by old men | - |
|---|
| gerontologist | (noun) a specialist in gerontology | Synonyms: geriatrician |
|---|
| gerontology | (noun) the branch of medical science that deals with diseases and problems specific to old people | Synonyms: geriatrics |
|---|
| glottochronology | (noun) the determination of how long ago different languages evolved from a common source language | - |
|---|
| gridiron | (noun) a cooking utensil of parallel metal bars; used to grill fish or meat | Synonyms: grid |
|---|
| (noun) the playing field on which football is played | Synonyms: football field |
| hadron | (noun) any elementary particle that interacts strongly with other particles | - |
|---|
| hemipteron | (noun) insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis | Synonyms: bug, hemipteran, hemipterous insect |
|---|
| heron | (noun) grey or white wading bird with long neck and long legs and (usually) long bill | - |
|---|
| heronry | (noun) a breeding ground for herons; a heron rookery | - |
|---|
| heteronym | (noun) two words are heteronyms if they are spelled the same way but differ in pronunciation | - |
|---|
| hexahedron | (noun) any polyhedron having six plane faces | - |
|---|
| hyaluronidase | (noun) an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids | Synonyms: Hyazyme, spreading factor |
|---|
| hydronephrosis | (noun) accumulation of urine in the kidney because of an obstruction in the ureter | - |
|---|
| hymenopteron | (noun) insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing | Synonyms: hymenopter, hymenopteran, hymenopterous insect |
|---|
| hyperaldosteronism | (noun) a condition caused by overproduction of aldosterone | Synonyms: aldosteronism |
|---|
| hyperon | (noun) any baryon that is not a nucleon; unstable particle with mass greater than a neutron | - |
|---|
| icosahedron | (noun) any polyhedron having twenty plane faces | - |
|---|
| interferon | (noun) an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus | - |
|---|
| intron | (noun) sequence of a eukaryotic gene's DNA that is not translated into a protein | Synonyms: noncoding DNA |
|---|
| iodothyronine | (noun) thyronine with iodine added | - |
|---|
| iron | (noun) home appliance consisting of a flat metal base that is heated and used to smooth cloth | Synonyms: smoothing iron |
|---|
| (noun) a golf club that has a relatively narrow metal head | - |
| (noun) implement used to brand live stock | Synonyms: branding iron |
| (noun) a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood | Synonyms: atomic number 26, Fe |
| ironclad | (noun) a wooden warship of the 19th century that is plated with iron or steel armor | - |
|---|
| ironing | (noun) the work of using heat to smooth washed clothes in order to remove any wrinkles | - |
|---|
| (noun) garments (clothes or linens) that are to be (or have been) ironed | - |
| ironist | (noun) a humorist who uses ridicule and irony and sarcasm | Synonyms: ridiculer, satirist |
|---|
| ironman | (noun) a strong man of exceptional physical endurance | Synonyms: iron man |
|---|
| ironmonger | (noun) a store selling hardware | Synonyms: hardware store, ironmonger's shop |
|---|
| (noun) someone who sells hardware | Synonyms: hardwareman |
| ironmongery | (noun) the merchandise that is sold in an ironmonger's shop | - |
|---|
| irons | (noun) metal shackles; for hands or legs | Synonyms: chains |
|---|
| ironside | (noun) a man of great strength or bravery | - |
|---|
| ironware | (noun) instrumentalities (tools or implements) made of metal | Synonyms: hardware |
|---|
| ironweed | (noun) any of various plants of the genus Vernonia of tropical and warm regions of especially North America that take their name from their loose heads of purple to rose flowers that quickly take on a rusty hue | Synonyms: vernonia |
|---|
| ironwood | (noun) a small slow-growing deciduous tree of northern Iran having a low domed shape | Synonyms: iron-tree, iron tree, ironwood tree |
|---|
| (noun) medium-sized hop hornbeam of eastern North America | Synonyms: Eastern hop hornbeam, ironwood tree, Ostrya virginiana |
| (noun) handsome East Indian evergreen tree often planted as an ornamental for its fragrant white flowers that yield a perfume; source of very heavy hardwood used for railroad ties | Synonyms: ironwood tree, Mesua ferrea, rose chestnut |
| (noun) exceptionally tough or hard wood of any of a number of ironwood trees | - |
| ironwork | (noun) work made of iron (gratings or rails or railings etc) | - |
|---|
| ironworker | (noun) a person who makes articles of iron | - |
|---|
| ironworks | (noun) the workplace where iron is smelted or where iron goods are made | - |
|---|
| irony | (noun) incongruity between what might be expected and what actually occurs | - |
|---|
| (noun) a trope that involves incongruity between what is expected and what occurs | - |
| (noun) witty language used to convey insults or scorn | Synonyms: caustic remark, sarcasm, satire |
| isobront | (noun) a line drawn through geographical points at which a given phase of thunderstorm activity occurred simultaneously. | - |
|---|
| isochrone | (noun) an isogram connecting points at which something occurs or arrives at the same time | - |
|---|
| isochronism | (noun) the property of occuring regularly at equal time intervals, of maintaining a constant period or interval, despite variations in other measurable factors in the same system. | - |
|---|
| jaguarondi | (noun) long-bodied long-tailed tropical American wildcat | Synonyms: eyra, Felis yagouaroundi, jaguarundi, jaguarundi cat |
|---|
| kenotron | (noun) a type of vacuum tube formerly used as a high-voltage rectifier. | - |
|---|
| klystron | (noun) an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation | - |
|---|
| krona | (noun) the basic unit of money in Iceland | Synonyms: Icelandic krona |
|---|
| (noun) the basic unit of money in Sweden | Synonyms: Swedish krona |
| krone | (noun) the basic unit of money in Denmark | Synonyms: Danish krone |
|---|
| (noun) the basic unit of money in Norway | Synonyms: Norwegian krone |
| lakefront | (noun) land bordering a lake | - |
|---|
| laryngotracheobronchitis | (noun) inflammation of the larynx and trachea and bronchial passageways | - |
|---|
| lepidopteron | (noun) insect that in the adult state has four wings more or less covered with tiny scales | Synonyms: lepidopteran, lepidopterous insect |
|---|
| linuron | (noun) a herbicide that kills weeds without harming vegetables | - |
|---|
| liothyronine | (noun) thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer | Synonyms: T, triiodothyronine |
|---|
| macaron | (noun) a sweet meringue-based confection made with egg white, icing sugar, granulated sugar, almond powder or ground almond, and food colouring. | - |
|---|
| macaroni | (noun) pasta in the form of slender tubes | - |
|---|
| (noun) a British dandy in the 18th century who affected Continental mannerisms | - |