19-letter words containing h, a
- british east africa — the former British possessions of Uganda, Kenya, Tanganyika, and Zanzibar, before their independence in the 1960s
- british west africa — the former British possessions of Nigeria, The Gambia, Sierra Leone, and the Gold Coast, and the former trust territories of Togoland and Cameroons
- brush-tailed possum — any of several widely-distributed Australian possums of the genus Trichosurus
- bulbourethral gland — Cowper's gland
- calcium oxychloride — a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant.
- calculating machine — calculator (sense 3)
- cannot help oneself — to be the victim of circumstances, a habit, etc.
- caroline of ansbach — 1683–1737, wife of George II of Great Britain
- cash in one's chips — to turn in one's chips for their equivalent in money
- cash-flow statement — a financial statement that shows a company's cash disbursements and receipts over a given period
- cast one's lot with — one of a set of objects, as straws or pebbles, drawn or thrown from a container to decide a question or choice by chance.
- cat scratch disease — a disorder characterized by fever and swelling of the lymph glands, caused by a viral infection resulting from the scratch or bite of a cat.
- cat-scratch disease — an ailment characterized by fever and swollen glands and believed to be caused by bacteria transmitted by the scratch or bite of a cat
- catch sb in the act — If you catch someone in the act, you discover them doing something wrong or committing a crime.
- catch someone's eye — If something catches your eye, you suddenly notice it.
- catherine of aragon — 1485–1536, first wife of Henry VIII of England and mother of Mary I. The annulment of Henry's marriage to her (1533) against papal authority marked an initial stage in the English Reformation
- catherine the great — (Sophia Augusta of Anhalt-Zerbst"Catherine the Great") 1729–96, empress of Russia 1762–96.
- cathodic protection — a technique for protecting metal structures, such as steel ships and pipelines, from electrolytic corrosion by making the structure the cathode in a cell, either by applying an electromotive force directly or by putting it into contact with a more electropositive metal
- cathodoluminescence — luminescence caused by irradiation with electrons (cathode rays)
- cauchy's inequality — Schwarz inequality (def 1).
- celestial hierarchy — hierarchy (def 6).
- celestial mechanics — the study of the motion of celestial bodies under the influence of gravitational fields
- cerebral hemisphere — either half of the cerebrum
- cerebral hemorrhage — hemorrhage from a blood vessel into the cerebrum, often followed by neurologic damage; a type of stroke.
- cerebral thrombosis — formation of a clot or other blockage in one of the blood vessels of the brain, often followed by neurologic damage; a type of stroke.
- ch'in shih huang ti — Shih Huang Ti.
- chain-reacting pile — nuclear reactor
- chamber of commerce — A chamber of commerce is an organization of businessmen that promotes local commercial interests.
- chamber of deputies — the lower house of the legislature of certain countries, as Italy.
- champagne corks pop — If you say that champagne corks are popping, you mean that people are celebrating something.
- champagne lifestyle — a lifestyle involving the enjoyment of luxuries and expensive pleasures
- champagne socialist — a professed socialist who enjoys an extravagant lifestyle
- champigny-sur-marne — a suburb of Paris, on the River Marne. Pop: 75 556 (2006)
- champion of england — a hereditary official at British coronations, representing the king (King's Champion) or the queen (Queen's Champion) who is being crowned, and having originally the function of challenging to mortal combat any person disputing the right of the new sovereign to rule.
- chandrasekhar limit — the upper limit to the mass of a white dwarf, equal to 1.44 solar masses. A star having a mass above this limit will continue to collapse to form a neutron star
- character generator — a device used in television studios to incorporate text or other symbols into the television screen image.
- character reference — a testimonial from an employer or acquaintance testifying to a person's good character
- characteristic root — a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
- chargeable transfer — a transfer of value made as a gift during a person's lifetime that is not covered by a specific exemption and therefore gives rise to liability under inheritance tax
- chartered librarian — (in Britain) a librarian who has obtained a qualification from the Library Association in addition to a degree or diploma in librarianship
- chassis dynamometer — A chassis dynamometer is a piece of test equipment fitted with rollers for the wheels of a vehicle, that is capable of providing drive input and measuring output such as power and torque at the wheels.
- chateauneuf-du-pape — a dry red or white wine from the Rhone valley near Avignon.
- checks and balances — competition and mutual restraint among the various branches of government
- chemical castration — the use of drugs to reduce libido
- chemical dependency — addiction to drugs or alcohol.
- chemical processing — Chemical processing is a way of making changes to chemical compounds.
- chemical weathering — any of the various weathering processes that cause exposed rock to undergo chemical decomposition, changing the chemical and mineralogical composition of the rock: Oxygen and acids are agents in chemical weathering.
- chemolithoautotroph — (biology) A chemoautotroph or lithoautotroph.
- cherenkov radiation — the electromagnetic radiation produced when a charged particle moves through a medium at a greater velocity than the velocity of light in that medium
- chicken-fried steak — a cheap cut of beefsteak that is fried in batter