20-letter words containing o, e, i, l
- five-a-side football — a version of soccer with five players in each team
- five-elements school — Yin-Yang School.
- flame-fusion process — Verneuil process.
- flight data recorder — a recording device that records relevant data during an aircraft's flight
- floodlight projector — a powerful lamp having a reflector curved to produce a floodlight.
- florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
- fontainebleau school — a group of artists, many of them Italian and Flemish, who worked on the decorations of the palace of Fontainebleau in the 16th century.
- 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).
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- four-colour glossies — 1. Literature created by marketroids that allegedly contains technical specs but which is in fact as superficial as possible without being totally content-free. "Forget the four-colour glossies, give me the tech ref manuals." Often applied as an indication of superficiality even when the material is printed on ordinary paper in black and white. Four-colour-glossy manuals are *never* useful for finding a problem. 2. [rare] Applied by extension to manual pages that don't contain enough information to diagnose why the program doesn't produce the expected or desired output.
- fourth international — a loose federation of small groups of radical socialists formed in 1936 under the leadership of Leon Trotsky and hostile to the Soviet Union. Compare international (def 6).
- frequency modulation — FM.
- fridtjof nansen land — Franz Josef Land.
- front-end volatility — Front-end volatility is the ability of the fractions with lower boiling points, such as butane, to evaporate at normal temperatures.
- fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
- garcilaso de la vega — 1503?–36, Spanish poet.
- general postal union — former name of Universal Postal Union. Abbreviation: GPU.
- general practitioner — a medical practitioner whose practice is not limited to any specific branch of medicine or class of diseases. Abbreviation: G.P.
- generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
- genetically modified — biologically altered
- geological timescale — any division of geological time into chronological units, whether relative (with units in the correct temporal sequence) or absolute (with numerical ages attached)
- get away from it all — If you get away from it all, you have a holiday in a place that is very different from where you normally live and work.
- gill-over-the-ground — ground ivy.
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- go like the clappers — to move extremely fast
- godefroy de bouillon — c1060–1100, French crusader.
- good neighbor policy — a diplomatic policy of the U.S., first presented in 1933 by President Franklin Roosevelt, for the encouragement of friendly relations and mutual defense among the nations of the Western Hemisphere.
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- graphics accelerator — (graphics, hardware) Hardware (often an extra circuit board) to perform tasks such as plotting lines and surfaces in two or three dimensions, filling, shading and hidden line removal.
- greek-letter society — any student fraternity or sorority in a US university or college, usually using Greek letters in their title
- greenwich hour angle — hour angle measured from the meridian of Greenwich, England.
- grievous bodily harm — law: serious injury
- grolier de servieres — Jean [zhahn] /ʒɑ̃/ (Show IPA), 1479–1565, French bibliophile.
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- guided visualization — a relaxation technique in which words, sounds, etc., are used to evoke positive mental images, feelings, and thoughts.
- hail-fellow-well-met — friendly but insincere
- harmonic minor scale — minor scale (def 1).
- he's no oil painting — he is not good-looking
- health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
- helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- helmeted guinea fowl — the common guinea fowl in its wild state.
- heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- hexadecimal notation — a number system having a base 16; the symbols for the numbers 0–9 are the same as those used in the decimal system, and the numbers 10–15 are usually represented by the letters A–F. The system is used as a convenient way of representing the internal binary code of a computer
- hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
- hickory horned devil — regal moth
- hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.