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18-letter words containing r, o, l, e, t

  • crude oil fraction — A crude oil fraction is a component of crude oil, which has its own particular molecular composition, weight, and boiling point.
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
  • curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
  • customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
  • cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
  • dead-letter office — an office where undeliverable letters were taken for storage
  • dear john (letter) — a letter from one's fiancée or girlfriend breaking off an engagement or love affair, or from one's wife asking for a divorce
  • declaration of war — a formal statement made by one country to another that a state of war now exists between them
  • decompartmentalize — to remove excessive compartmentalization from (an organization)
  • defense calculator — IBM 701
  • demilitarized zone — an area from which military presence or function has been removed
  • dendrochronologist — One who carries out dendrochronology.
  • departmental store — a department store.
  • departure platform — a raised area at a railway station from which passengers can board trains prior to their departing
  • depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
  • developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
  • development period — a length of time during which a company grows
  • dia de los muertos — Day of the Dead.
  • diamondback turtle — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
  • dichloracetic acid — a highly corrosive acid. Formula: C2H2Cl2O2
  • diethylstilbestrol — a nonsteroidal synthetic estrogen, C 18 H 20 O 2 , used in medicine chiefly in the treatment of menopausal symptoms and in animal feeds for chemical caponization: formerly used during pregnancy for the prevention of miscarriage but discontinued owing to its association with an increased risk of vaginal and cervical cancers in women having had fetal exposure. Abbreviation: DES.
  • digital switchover — the process of changing the method of transmitting television from analogue to digital format
  • dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • diplomatic service — diplomatic corps
  • directional signal — any of four signal lights on the front left, front right, rear left, and rear right of an automotive vehicle that, when actuated by the driver, flash in pairs on the side toward which a turn is to be made.
  • disorderly conduct — any of various petty misdemeanors, generally including nuisances, breaches of the peace, offensive or immoral conduct in public, etc.
  • disproportionately — not proportionate; out of proportion, as in size or number.
  • dragline excavator — a power shovel that operates by being dragged by cables at the end of an arm or jib: used for quarrying, opencast mining, etc
  • dramatic monologue — a poetic form in which a single character, addressing a silent auditor at a critical moment, reveals himself or herself and the dramatic situation.
  • drinking chocolate — sweetened cocoa powder
  • eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.
  • eastern meadowlark — any of several American songbirds of the genus Sturnella, of the family Icteridae, especially S. magna (eastern meadowlark) and S. neglecta (western meadowlark) having a brownish and black back and wings and a yellow breast, noted for their clear, tuneful song.
  • ecma international — (body)   (Formerly European Computer Manufacturers Association) An industry association founded in 1961 and dedicated to the standardisation of information and communication systems. ECMA edits standards and technical reports. All ECMA publications are available free of charge. The best known ECMA standard is ECMA 262, defining the scripting language ECMAScript.
  • ejaculatio praecox — premature ejaculation during sexual intercourse
  • eleanor of castile — 1246–90, Spanish wife of Edward I of England. Eleanor Crosses were erected at each place at which her body rested between Nottingham, where she died, and London, where she is buried
  • electoral district — an area that is considered as unit for the purposes of an election
  • electoral register — An electoral register is an official list of all the people who have the right to vote in an election.
  • electric potential — the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field
  • electroacupuncture — the insertion into the body of one or more needles through which an electric current is passed
  • electrocardiograms — Plural form of electrocardiogram.
  • electrocardiograph — A machine used for electrocardiography.
  • electrocorticogram — a record of brain waves obtained by placing electrodes directly on the surface of the exposed cerebral cortex
  • electrocyclization — (organic chemistry) an electrocyclic reaction.
  • electrodesiccation — The drying of tissue, and the prevention of bleeding, using a high-frequency electric current.
  • electrodynamometer — An instrument that measures electric current by indicating the strength of repulsion or attraction between the magnetic fields of two sets of coils, one fixed and one movable.
  • electroluminescent — Having the quality of electroluminescence.
  • electron telescope — an astronomical telescope with an attachment for converting the infrared radiation emitted from the surface of planets into a visible image
  • electron transport — the metabolic process in mitochondria or chloroplasts, in which electrons are transferred in stages from energy-rich compounds to molecular oxygen with liberation of energy
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