20-letter words containing o, a, h, u
- a bolt from the blue — a sudden, unexpected, and usually unwelcome event
- a drop in the bucket — an amount very small in relation to what is needed or desired
- a shoulder to cry on — If someone offers you a shoulder to cry on or is a shoulder to cry on, they listen sympathetically as you talk about your troubles.
- absent without leave — absent from duty without official permission but with no intention of deserting
- achievement quotient — a measure of ability derived by dividing an individual's achievement age by his actual age
- after-hours drinking — drinking in a pub after its legal closing time
- alcoholics anonymous — an association of alcoholics who try, esp by mutual assistance, to overcome alcoholism
- algorithmic language — ALGOL 60
- alpha-naphthyl group — naphthyl group (def 1).
- aluminum borohydride — a volatile liquid, Al(BH 4) 3 , that ignites spontaneously in air and reacts vigorously with water to form hydrogen, used chiefly in organic synthesis.
- amana church society — a Christian community in Iowa governed by elders, with no ordained clergy: founded in Germany in 1714, in America since 1843
- ammonium chrome alum — chrome alum (def 1).
- ammonium thiocyanate — a colorless, crystalline, deliquescent, water-soluble solid, CH 4 N 2 S, used chiefly as a herbicide and as a fixative in textile printing.
- ammonium thiosulfate — a white, crystalline, water-soluble solid, (NH 4) 2 S 2 O 3 , used chiefly in the manufacture of cleaning compounds for alloys having a tin or lead base.
- angoumois grain moth — a gelechiid moth, Sitotroga cerealella, the larvae of which feed on stored corn and other grains.
- anthemius of tralles — c474–c534, Greek mathematician and architect, active in Lydia.
- antiauthoritarianism — Opposition to authority; the quality of being antiauthoritarian.
- antidandruff shampoo — a shampoo that prevents or treats dandruff
- antidiuretic hormone — vasopressin. Abbreviation: ADH.
- apollonius of rhodes — 3rd century bc, Greek epic poet and head of the Library of Alexandria. His principal work is the four-volume Argonautica
- architectural bronze — a brass alloy of about 57 percent copper, 41 percent zinc, and 2 percent lead.
- aristarchus of samos — 3rd century bc, Greek astronomer who anticipated Copernicus in advancing the theory that the earth revolves around the sun
- at the eleventh hour — at the last moment; just before it is too late
- at two hours' notice — with notification only two hours in advance
- atmospheric pressure — Atmospheric pressure is the pressure of the atmosphere on the Earth's surface.
- audio-lingual method — a technique of foreign-language instruction that emphasizes audio-lingual skills over reading and writing and is characterized by extensive use of pattern practice.
- be hard pushed to do — If you are hard pushed to do something, you find it very difficult to do it.
- beat around the bush — to talk around a subject without getting to the point
- beat the shit out of — to give a severe beating to
- beaverhead mountains — a mountain range on the border of E Idaho and SW Montana, in the Bitterroot Range. 10,961 feet (3343 meters).
- beggar-your-neighbor — a children's card game for two, played with 52 cards, that is won when a player captures all of the cards.
- bigmouth buffalofish — a buffalofish, Ictiobus cyprinellus, found in central North America, characterized by a large mouth.
- blue screen of death — (humour) (BSOD) The infamous white-on-blue text screen which appears when Microsoft Windows crashes. BSOD is mostly seen on the 16-bit systems such as Windows 3.1, but also on Windows 95 and apparently even under Windows NT 4. It is most likely to be caused by a GPF, although Windows 95 can do it if you've removed a required CD-ROM from the drive. It is often impossible to recover cleanly from a BSOD. The acronym BSOD is sometimes used as a verb, e.g. "Windoze just keeps BSODing on me today".
- buck's horn plantain — a Eurasian plant, Plantago coronopus, having leaves resembling a buck's horn: family Plantaginaceae
- bull in a china shop — If you say that someone rushes into a situation like a bull in a china shop, you are critical of them because they do not stop to think, and are insensitive to other people's feelings.
- bureau of the census — the division of the Department of Commerce that gathers, tabulates, and correlates census statistics.
- by their own account — If you say that something concerning a particular person is true by his or her own account, you mean that you believe it because that person has said it is true.
- calcium hypochlorite — a white, crystalline compound, Ca(OCl) 2 , used as a disinfectant and bleaching agent.
- carpathian mountains — a mountain system of central and E Europe, extending from Slovakia to central Romania: mainly forested, with rich iron ore resources. Highest peak: Gerlachovka, 2663 m (8788 ft)
- catastrophic failure — Catastrophic failure is sudden and complete failure which cannot be put right.
- chartered accountant — (in Britain) an accountant who has passed the professional examinations of the Institute of Chartered Accountants in England and Wales, the Institute of Chartered Accountants of Scotland, or the Institute of Chartered Accountants in Ireland
- checkbook journalism — the practice of paying for a news story or an interview, or for exclusive broadcasting or publishing rights.
- chemolithoautotrophs — Plural form of chemolithoautotroph.
- chemotherapeutically — By means of chemotherapy.
- chikamatsu monzaemon — (born Sugimori Nobumori) 1653-1724; Jpn. dramatist: called the Shakespeare of Japan
- child support agency — the British government agency concerned with the welfare of children
- clothes manufacturer — a business concern that manufactures clothes
- come out in the wash — If you say that something will come out in the wash, you mean that people will eventually find out the truth about it.
- communication theory — information theory.
- computability theory — (mathematics) The area of theoretical computer science concerning what problems can be solved by any computer. A function is computable if an algorithm can be implemented which will give the correct output for any valid input. Since computer programs are countable but real numbers are not, it follows that there must exist real numbers that cannot be calculated by any program. Unfortunately, by definition, there isn't an easy way of describing any of them! In fact, there are many tasks (not just calculating real numbers) that computers cannot perform. The most well-known is the halting problem, the busy beaver problem is less famous but just as fascinating.
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