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20-letter words containing a, c, h, r, o

  • 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.
  • a trick of the light — If you say that something is a trick of the light, you mean that what you are seeing is an effect caused by the way that the light falls on things, and does not really exist in the way that it appears.
  • accessory chromosome — B chromosome.
  • acetylcholinesterase — an enzyme in nerve cells that is responsible for the destruction of acetylcholine and thus for switching off excitation of the nerve
  • acetylmethylcarbinol — acetoin.
  • adrenocorticotrophic — stimulating the adrenal cortex
  • adrenocorticotrophin — (hormone) adrenocorticotropic hormone.
  • africanized honeybee — killer bee.
  • algorithmic language — ALGOL 60
  • 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).
  • antidiuretic hormone — vasopressin. Abbreviation: ADH.
  • antimony oxychloride — a white, water-insoluble powder, SbOCl, used chiefly in the manufacture of antimony salts.
  • apothecaries' weight — a system of weights, formerly used in pharmacy, based on the Troy ounce, which contains 480 grains. 1 grain is equal to 0.065 gram
  • arches national park — a national park in E Utah: natural arch formations. 114 sq. mi. (295 sq. km).
  • archiepiscopal cross — patriarchal cross.
  • 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
  • artificial harmonics — harmonics of a note produced on a stringed instrument by lightly touching a stopped sounded string.
  • at the crack of dawn — If you say that someone does something at the crack of dawn, you are emphasizing that they do it very early in the morning.
  • 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.
  • axiomatic set theory — (theory)   One of several approaches to set theory, consisting of a formal language for talking about sets and a collection of axioms describing how they behave. There are many different axiomatisations for set theory. Each takes a slightly different approach to the problem of finding a theory that captures as much as possible of the intuitive idea of what a set is, while avoiding the paradoxes that result from accepting all of it, the most famous being Russell's paradox. The main source of trouble in naive set theory is the idea that you can specify a set by saying whether each object in the universe is in the "set" or not. Accordingly, the most important differences between different axiomatisations of set theory concern the restrictions they place on this idea (known as "comprehension"). NBG (von Neumann-Bernays-Goedel) set theory sort of allows comprehension for all formulae without restriction, but distinguishes between two kinds of set, so that the sets produced by applying comprehension are only second-class sets. NBG is exactly as powerful as ZF, in the sense that any statement that can be formalised in both theories is a theorem of ZF if and only if it is a theorem of ZFC. MK (Morse-Kelley) set theory is a strengthened version of NBG, with a simpler axiom system. It is strictly stronger than NBG, and it is possible that NBG might be consistent but MK inconsistent. ML ("Modern Logic") is to NF as NBG is to ZF. (Its name derives from the title of the book in which Quine introduced an early, defective, form of it). It is stronger than ZF (it can prove things that ZF can't), but if NF is consistent then ML is too.
  • back the wrong horse — to bet on a horse that loses the race
  • bacteriochlorophylls — Plural form of bacteriochlorophyll.
  • be called to the bar — to become a barrister
  • benzene hexachloride — a compound, C6H6Cl6, used as an insecticide
  • bismarck archipelago — a group of over 200 islands in the SW Pacific, northeast of New Guinea: part of Papua New Guinea. Main islands: New Britain, New Ireland, Lavongai, and the Admiralty Islands. Chief town: Rabaul, on New Britain. Pop: 566 610 (2000). Area: 49 658 sq km (19 173 sq miles)
  • black-throated diver — a diving bird, Gavia arctica, found in Europe and Asia, and a rare summer visitor to the UK
  • 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".
  • born-again christian — person: evangelical
  • brachiocephalic vein — either of two major veins, formed by the merger of the subclavian and internal jugular veins, that drain blood from the head and arms.
  • bring home the bacon — If you bring home the bacon, you achieve what you needed to achieve.
  • buck's horn plantain — a Eurasian plant, Plantago coronopus, having leaves resembling a buck's horn: family Plantaginaceae
  • 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.
  • carbohydrate loading — the practice of eating high amounts of carbohydrates, sometimes after a period of low carbohydrate intake, for several days immediately before competing in an athletic event, especially a marathon, in order to store glycogen in the body, thereby providing greater reserves of energy.
  • carbon tetrachloride — a colourless volatile nonflammable sparingly soluble liquid made from chlorine and carbon disulphide; tetrachloromethane. It is used as a solvent, cleaning fluid, and insecticide. Formula: CCl4
  • 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)
  • cast a pall over sth — If something unpleasant casts a pall over an event or occasion, it makes it less enjoyable than it should be.
  • cast the first stone — the hard substance, formed of mineral matter, of which rocks consist.
  • catastrophic failure — Catastrophic failure is sudden and complete failure which cannot be put right.
  • catastrophic illness — A catastrophic illness is a major health event that takes place during a particular period of time, such as a heart attack, stroke, or cancer.
  • central bedfordshire — a unitary authority of S central England. Pop: 252 100 (2007 est). Area: 712 sq km (275 sq miles)
  • cerebral haemorrhage — bleeding from an artery in the brain, which in severe cases causes a stroke
  • change a reservation — If you change a reservation, you move a booking to a different date because someone who has booked a room has informed you that they wish to stay there on a different date.
  • change-speed gearbox — A change-speed gearbox is a set of movable or constant gears which allows the speed ratio between input and output shafts to be changed either manually or automatically.
  • chapter of accidents — a series of misfortunes

On this page, we collect all 20-letter words with A-C-H-R-O. It’s easy to find right word with a certain length. It is the easiest way to find 20-letter word that contains in A-C-H-R-O to use in Scrabble or Crossword puzzles

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