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20-letter words containing r, e, s, i, l, n

  • early-warning system — Military. a network of radar installations designed to detect enemy aircraft or missiles in time for the effective deployment of defense systems.
  • economic rationalism — an economic policy based on the efficiency of market forces, characterized by minimal government intervention, tax cuts, privatization, and deregulation of labour markets
  • eight queens problem — eight queens puzzle
  • electoral boundaries — the way that a country or area is divided for the purposes of voting in an election
  • electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
  • electronic signature — electronic proof of a person's identity
  • eleusinian mysteries — a mystical religious festival, held in September at Eleusis in classical times, in which initiates celebrated Persephone, Demeter, and Dionysus
  • endorsement in blank — an endorsement on a bill of exchange, cheque, etc, naming no payee and thus making the endorsed sum payable to the bearer
  • entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
  • epidural anaesthesia — numbing injection in the spine
  • epitaxial transistor — a transistor made by depositing a thin pure layer of semiconductor material (epitaxial layer) onto a crystalline support by epitaxy. The layer acts as one of the electrode regions, usually the collector
  • equilibrium constant — The equilibrium constant is the ratio between the amount of reactants and the amount of product for a particular chemical reaction, used to calculate chemical behavior.
  • equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
  • estrela mountain dog — a sturdy well-built dog of a Portuguese breed with a long thick coat and a thick tuft of hair round the neck, often used as a guard dog
  • european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
  • evening primrose oil — an oil, obtained from the seeds of the evening primrose, that is claimed to stimulate the production of prostaglandins
  • exercise, left as an — Used to complete a proof in technical books when one doesn't mind a handwave, or to avoid one entirely. The complete phrase is: "The proof [or "the rest"] is left as an exercise for the reader." This comment *has* occasionally been attached to unsolved research problems by authors possessed of either an evil sense of humour or a vast faith in the capabilities of their audiences.
  • external respiration — exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
  • federal constitution — Constitution of the United States.
  • field ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
  • field-ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
  • fight for one's life — Someone who is fighting for their life is making a great effort to stay alive, either when they are being physically attacked or when they are very ill.
  • financial instrument — A financial instrument is a document or contract that can be traded in a market, that represents an asset to one party and a liability or equity to the other.
  • flame-fusion process — Verneuil process.
  • for all one is worth — good or important enough to justify (what is specified): advice worth taking; a place worth visiting.
  • for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
  • force-field analysis — a decision-making technique, often presented graphically, that identifies all the positive and negative forces impinging on a problem
  • fore-and-aft topsail — gaff topsail (def 1).
  • fridtjof nansen land — Franz Josef Land.
  • general postal union — former name of Universal Postal Union. Abbreviation: GPU.
  • general public virus — (software, legal)   A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
  • gingival hyperplasia — Gingival hyperplasia is abnormal enlargement of the gums.
  • gravimetric analysis — analysis by weight.
  • great-circle sailing — sailing between two points more or less according to an arc of a great circle, in practice almost always using a series of rhumb lines of different bearings to approximate the arc, whose own bearing changes constantly unless it coincides with a meridian or the equator.
  • green light district — an area in which prostitution is officially tolerated
  • group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
  • hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
  • harmonic minor scale — minor scale (def 1).
  • health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
  • heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
  • holder in due course — a person who has received a negotiable instrument in good faith and without notice that it is overdue, that there is any prior claim, or that there is a defect in the title of the person who negotiated it.
  • holy water sprinkler — morning star (def 2).
  • horizontal scan rate — (hardware)   (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
  • horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
  • houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
  • hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
  • hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
  • ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
  • incomprehensibleness — The state of being incomprehensible.
  • incontrovertibleness — The quality of being incontrovertible.
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