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17-letter words containing o, i, r, e, a

  • double refraction — the separation of a ray of light into two unequally refracted, plane-polarized rays of orthogonal polarizations, occurring in crystals in which the velocity of light rays is not the same in all directions.
  • double track line — a railway line with double track
  • downwardly mobile — See under vertical mobility (def 1).
  • downwardly-mobile — See under vertical mobility (def 1).
  • drained of colour — colourless
  • dramatis personae — (used with a plural verb) the characters in a play.
  • dress-down friday — In some companies employees are allowed to wear clothes that are less smart than usual on a Friday. This day is known as a dress-down Friday.
  • drive to the wall — to force into an awkward situation
  • drive-by download — an incidence of an unwanted program being automatically downloaded to a computer, often without the user's knowledge
  • ductus arteriosis — a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
  • early closing day — a day on which most shops in a town or area close after lunch
  • eastern townships — an area of central Canada, in S Quebec: consists of 11 townships south of the St Lawrence
  • eastern tradition — any of the philosophies and teachings that derive from Hinduism, Buddhism, Taoism, and other spiritual traditions of the East
  • echocardiographer — A person who performs echocardiography.
  • echocardiographic — Of or pertaining to echocardiography.
  • ectoparasiticides — Plural form of ectoparasiticide.
  • ectopic pregnancy — the development of a fertilized ovum outside the uterus, as in a Fallopian tube.
  • ehelp corporation — (company)   A vendor of Microsoft Windows application development tools such as RoboHELP and RoboDemo. EHelp were formerly (around 1997) Blue Sky Software. Address: 7777 Fay Avenue, Suite 201, La Jolla, CA 92037, USA. Telephone: +1-800-793-0364, +1 (619) 459 6365. Fax: +1 (619) 459 6366.
  • electric constant — the permittivity of free space, which has the value 8.854 187 × 10–12 farad per metre
  • electricity board — a company which supplies electricity
  • electroanesthesia — Anesthesia induced by cranial electrotherapy stimulation.
  • electrocardiogram — A record or display of a person’s heartbeat produced by electrocardiography.
  • electrochemically — In an electrochemical manner.
  • electrofiltration — Electrofiltration is a separation process in which an electric field is applied across a filter to improve separation.
  • electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
  • electromyographic — Using electromyography.
  • electron affinity — a measure of the ability of an atom or molecule to form a negative ion, expressed as the energy released when an electron is attached
  • electronegativity — The tendency, or a measure of the ability, of an atom or molecule to attract electrons and thus form bonds.
  • electroretinogram — A record of the electrical activity of the retina, used in medical diagnosis and research.
  • electrostatically — In an electrostatic manner, by electrostatic means.
  • embroidery thread — a thread used for embroidery
  • emergency rations — food and drink that is designated for use in an emergency: for example, in a famine, after a plane crash, when hill-walkers or mountaineers are stranded, etc.
  • emissions trading — the buying and selling of allowances for pollutant emissions
  • emotional cripple — someone who is unable to feel or show true emotion and so cannot form relationships with other people
  • empirical formula — a chemical formula indicating the proportion of each element present in a molecule
  • entry examination — the examination people wishing to enter an organization, university, etc, have to take
  • environmentalists — Plural form of environmentalist.
  • epicycloidal gear — a gear of an epicyclic train
  • equal opportunity — policies that bar discrimination
  • equatorial guinea — a republic of W Africa, consisting of Río Muni on the mainland and the island of Bioko in the Gulf of Guinea, with four smaller islands: ceded by Portugal to Spain in 1778; gained independence in 1968. Official languages: Spanish and French. Religion: Roman Catholic majority. Currency: franc. Capital: Malabo. Pop: 704 000 (2013 est). Area: 28 049 sq km (10 830 sq miles)
  • ethinyloestradiol — Alternative form of ethinylestradiol.
  • examination board — an organization that sets and corrects exams
  • examination paper — a paper with examination questions printed on it set to test the knowledge of examination candidates
  • exception handler — Special code which is called when an exception occurs during the execution of a program. If the programmer does not provide a handler for a given exception, a built-in system exception handler will usually be called resulting in abortion of the program run and some kind of error indication being returned to the user. Examples of exception handler mechanisms are Unix's signal calls and Lisp's catch and throw.
  • exclusionary rule — a legal rule that evidence obtained illegally, as from a search without a warrant, may not be introduced at trial
  • exfoliating cream — a granular cosmetic preparation that removes dead cells from the skin's surface
  • export-orientated — (of an industry, company, etc) mainly concerned with the export of goods or services
  • external relation — a relation that does not hold between its relata, as 4 is greater than 2
  • extraordinariness — The property of being extraordinary.
  • extraordinary ray — the plane-polarized ray of light that does not obey the laws of refraction in a doubly refracting crystal
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