21-letter words containing a, e, r, i, u
- 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.
- instrumental learning — a method of training in which the reinforcement is made contingent on the occurrence of the response
- insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- insurance certificate — a certificate that shows that a person or organization has insurance
- insurance underwriter — sb who assesses eligibility for insurance policies
- intellectual property — Law. property that results from original creative thought, as patents, copyright material, and trademarks.
- interest-rate futures — financial futures based on projected movements of interest rates
- internal jugular vein — Anatomy. a jugular vein.
- intersubstitutability — a person or thing acting or serving in place of another.
- intravenous drug user — a drug addict who injects drugs (esp heroin) intravenously
- irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
- joseph-marie jacquard — (person) /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
- kekule von stradonitz — Friedrich August [free-drikh ou-goo st] /ˈfri drɪx ˈaʊ gʊst/ (Show IPA), 1829–96, German chemist.
- keto-enol tautomerism — tautomerism in which the tautomers are an enol and a keto form. The change occurs by transfer of a hydrogen atom within the molecule
- lafayette, marquis de — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
- lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
- lambeth quadrilateral — the four essentials agreed upon at the Lambeth Conference of 1888 for a United Christian Church, namely, the Holy Scriptures, the Apostles' Creed, the sacraments of baptism and Holy Communion, and the historic episcopate
- language-based editor — language-sensitive editor
- learning difficulties — difficulty experienced in reaching the average standard of people of the same age group as regards intellectual and cognitive skills and performance
- leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
- like a blue-arsed fly — in a state of frenzied activity
- liquefied natural gas — a mixture of various gases, esp methane, liquefied under pressure for transportation and used as an engine fuel
- macgillicuddy's reeks — a mountain range in County Kerry, SW Ireland. Highest peak (also highest in Ireland), Carrantuohill, 3414 feet (1041 meters).
- madagascar aquamarine — a form of blue beryl from Madagascar, used as a gemstone
- magnesium trisilicate — a white, fine, odorless and tasteless powder, Mg 2 O 8 Si 3 ⋅nH 2 O, used industrially to absorb odors and decolorize and pharmaceutically as an antacid.
- maître d'hôtel butter — melted butter mixed with parsley and lemon juice
- make up for lost time — compensate for past inaction
- manufacturing process — chain of production
- maple-leaved viburnum — dockmackie.
- marine superintendent — a person who is responsible for the maintenance of the vessels of a shipping line, for their docking and the handling of cargo, and for the hiring of personnel for deck departments.
- marketable securities — Marketable securities are securities that can easily be sold quickly on the open market.
- marquise de pompadour — Marquise de (Jeanne Antoinette Poisson Le Normant d'Étioles) 1721–64, mistress of Louis XV of France.
- mauvais quart d'heure — a brief unpleasant experience
- maximum value theorem — the theorem that for a real-valued function f whose domain is a compact set, there is at least one element x in the domain of f for which f (x) achieves its largest value.
- mean square deviation — variance (def 3).
- mechanical instrument — a musical instrument, such as a barrel organ or music box, that plays a preselected piece of music by mechanical means
- mechanical metallurgy — the branch of metallurgy dealing with the response of metals to applied forces.
- medical jurisprudence — forensic medicine.
- medium access control — Media Access Control
- mengistu haile mariam — born 1937, Ethiopian political leader: head of state 1977–87; president 1987–91.
- miniature photography — photography with a camera using film that is 35 millimeters wide or less.
- motion-picture camera — a sequence of consecutive pictures of objects photographed in motion by a specially designed camera (motion-picture camera) and thrown on a screen by a projector (motion-picture projector) in such rapid succession as to give the illusion of natural movement.
- motor neurone disease — Motor neurone disease is a disease which destroys the part of a person's nervous system that controls movement.
- mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
- multi-level marketing — Multi-level marketing is a marketing technique which involves people buying a product, then earning a commission by selling it to their friends. The abbreviation MLM is also used.
- multichannel analyser — an electronic instrument, such as a pulse height analyser, that splits an input waveform into a large number of channels in accordance with a particular parameter of the input
- multilayer perceptron — A network composed of more than one layer of neurons, with some or all of the outputs of each layer connected to one or more of the inputs of another layer. The first layer is called the input layer, the last one is the output layer, and in between there may be one or more hidden layers.
- multiplex transmitter — a transmitter that sends signals by multiplex
- naturalization papers — documents confirming that someone has been awarded citizenship of a country he or she was not born in
- negotiable instrument — order or promise to pay money