21-letter words containing r, e, l, t, o
- fractional extraction — Fractional extraction is a process of extracting a liquid from a liquid, in which two solutes are separated, with one leaving in the extract and one in the raffinate.
- franco-belgian system — French system.
- fraudulent conversion — conversion committed with the intent to defraud
- free-floating anxiety — chronic anxiety occurring for no identifiable cause
- functional illiterate — a person with some basic education who still falls short of a minimum standard of literacy or whose reading and writing skills are inadequate to everyday needs.
- functional imperative — a requirement for the survival of any social system, as communication, control of conflict, or socialization.
- garbageabetical order — (humour) 1. The result of using an insertion sort to merge data into an unsorted list. 2. The state of any file or list that is supposed to be sorted, but is not.
- gas blanketed storage — Gas blanketed storage is the use of gas to fill empty space in a storage tank.
- geiger-muller counter — an instrument for detecting ionizing radiations, consisting of a gas-filled tube in which electric-current pulses are produced when the gas is ionized by radiation, and of a device to register these pulses: used chiefly to measure radioactivity.
- general court-martial — a court-martial having the authority to try any offense against military law and to impose a sentence of dishonorable discharge or of death when provided by law.
- general of the armies — a special rank held by John J. Pershing, equivalent to general of the army.
- gentleman of the road — a highwayman.
- gestalt psychotherapy — a therapy devised in the US in the 1960s in which patients are encouraged to concentrate on the immediate present and to express their true feelings
- gideons international — an interdenominational lay society organized in 1899 to place Bibles in hotel rooms.
- glacier national park — a national park in NW Montana: glaciers; lakes; forest reserve. 1534 sq. mi. (3970 sq. km).
- glen of imaal terrier — a strongly-built medium-sized variety of terrier with a medium-length coat and short forelegs
- goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
- gram-molecular weight — gram molecule. Abbreviation: GMW.
- greek-letter sorority — a sorority whose name consists usually of two or three Greek letters, as Lambda Rho (ΛP).
- heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- help a person on with — to assist a person in the putting on of (clothes)
- henry steele commager — Henry Steele, 1902–98, U.S. historian, author, and teacher.
- historic places trust — (in New Zealand) the statutory body concerned with the conservation of historic buildings, esp with ancient Māori sites
- home improvement loan — a government loan for house improvements such as insulation, adding a bathroom, or urgent repairs
- homolosine projection — an equal-area projection of the world, distorting ocean areas in order to minimize the distortion of the continents.
- horizontal stabilizer — the horizontal surface, usually fixed, of an aircraft empennage, to which the elevator is hinged.
- horns and halo effect — a tendency to allow one's judgement of another person, esp in a job interview, to be unduly influenced by an unfavourable (horns) or favourable (halo) first impression based on appearances
- hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
- hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
- hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
- identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
- immunoelectrophoresis — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
- immunoelectrophoretic — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
- imprecise probability — (probability) A probability that is represented as an interval (as opposed to a single number) included in [0,1].
- in (or out of) place — in (or out of) the customary, proper, or assigned place
- in one's shirtsleeves — not wearing a jacket
- indigenous australian — another name for Aboriginal and Torres Strait Islander
- indo-australian plate — a major tectonic division of the earth's crust, comprising India and the Australian continent and adjacent suboceanic basins (the Tasman, South Australian, Mid-Indian, Cocos, and Australian basins); separated from the Eurasian Plate by the Java Trench, from the Pacific Plate by the Tonga-Kermadec Trench, and from the African Plate by a series of mid-ocean ridges (the Carlsberg, Mid-Indian, and Southeast Indian ridges).
- industrial revolution — (sometimes initial capital letters) the totality of the changes in economic and social organization that began about 1760 in England and later in other countries, characterized chiefly by the replacement of hand tools with power-driven machines, as the power loom and the steam engine, and by the concentration of industry in large establishments.
- infant mortality rate — number of babies dying
- infectious ectromelia — ectromelia (def 2).
- inflationary universe — a version of the big bang theory in which the universe underwent very rapid growth during the first fraction of a second before it settled down to its current rate of expansion.
- information appliance — (hardware) (IA) A consumer device that performs only a few targeted tasks and is controlled by a simple touch-screen interface or push buttons on the device's enclosure.
- information retrieval — the systematic storage and recovery of data, as from a file, card catalog, or the memory bank of a computer. Abbreviation: IR.
- insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- intellectual property — Law. property that results from original creative thought, as patents, copyright material, and trademarks.
- international brigade — a military force that fought on the Republican side in the Spanish Civil War, consisting of volunteers (predominantly socialists and communists) from many countries
- interpersonal therapy — a type of psychotherapy that focuses on conflicts in one's personal relationships.
- intracoastal waterway — a mostly inland water route, partly natural and partly artificial, extending 1550 miles (2500 km) along the Atlantic coast from Boston to Florida Bay (Atlantic Intracoastal Waterway) and 1116 miles (1800 km) along the Gulf coast from Carrabelle, Fla., to Brownsville, Tex. (Gulf Intracoastal Waterway) constructed to protect small craft from the hazards of the open sea.
- isolation transformer — An isolation transformer is a transformer with physically separate primary and secondary windings, that prevent it from transferring unwanted noise from the input circuit to the output windings.