21-letter words containing o, u, r, a, i
- eccles-jordan circuit — flip-flop
- electromagnetic pulse — a surge of electromagnetic radiation, esp one resulting from a nuclear explosion, which can disrupt electronic devices and, occasionally, larger structures and equipment
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
- environmental studies — a university course studying the environment and related issues
- epidermolysis bullosa — type of genetic skin disorder
- equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
- euro-commercial paper — commercial paper issued in a eurocurrency
- exposure compensation — the act of overriding a camera's automatic exposure in order to achieve a particular effect or due to difficult lighting conditions
- faculty board meeting — a meeting of the governing body of a faculty
- ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
- first baron ashburton — Alexander, 1st Baron Ashburton, 1774–1848, British statesman.
- first-round financing — First round financing is the first time a new company raises money from investors.
- fluorophosphoric acid — any of three acids containing fluorine and phosphorus, HPF 6 , HPO 2 F 2 , or H 2 PO 3 F.
- fraudulent conversion — conversion committed with the intent to defraud
- 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.
- gastrohepatic omentum — lesser omentum.
- gaussian distribution — normal distribution
- 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.
- give sb the runaround — If someone gives you the runaround, they deliberately do not give you all the information or help that you want, and send you to another person or place to get it.
- gold bullion standard — a gold standard in which gold is not coined but may be purchased at a fixed price for foreign exchange.
- gram-molecular weight — gram molecule. Abbreviation: GMW.
- great smoky mountains — the W part of the Appalachians, in W North Carolina and E Tennessee. Highest peak: Clingman's Dome, 2024 m (6642 ft)
- ground-effect machine — ACV (def 2).
- historic places trust — (in New Zealand) the statutory body concerned with the conservation of historic buildings, esp with ancient Māori sites
- horizontal tabulation — (character) (tab, Control-I, HT, ASCII 9) A character which when displayed or printed causes the following character to be placed at the next "tabstop" - the column whose number is a multiple of the current tab width. Commonly (especially in Unix(?)) the tab width is eight, so, counting from the left margin (column zero), the tab stops are at columns 8, 16, 24, up to the width of the screen or page. A tab width of four or two is often preferred when indenting program source code to conserve indentation. Represented as "\t" in C, Unix, and derivatives.
- human papilloma virus — a species of virus that causes genital warts. Abbreviation: HPV.
- hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
- in (or out of) phase — in (or not in) a state of exactly parallel movements, oscillations, etc.; in (or not in) synchronization
- in (or out of) place — in (or out of) the customary, proper, or assigned place
- in a state of undress — If someone is in a state of undress, they do not have all their clothes on.
- in favor/out of favor — If someone or something is in favor, people like or support them. If they are out of favor, people no longer like or support them.
- in good circumstances — (of a person) in a good financial situation
- in no uncertain terms — If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
- in saecula saeculorum — for ever and ever.
- 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).
- induced radioactivity — artificial radioactivity.
- industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
- industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
- 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.
- 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.
- 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.
- intravenous drug user — a drug addict who injects drugs (esp heroin) intravenously
- joseph-marie jacquard — (person) /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
- junior varsity sports — sports played at the second highest rank for university sports, ranking first after varsity
- kekule von stradonitz — Friedrich August [free-drikh ou-goo st] /ˈfri drɪx ˈaʊ gʊst/ (Show IPA), 1829–96, German chemist.