16-letter words containing c, h, o, y
- acanthopterygian — of, relating to, or belonging to the Acanthopterygii, a large group of teleost fishes having spiny fin rays. The group includes most saltwater bony fishes
- acid house party — a professionally organized party for young people, with Acid House music, sometimes held in a field or disused building
- activity holiday — a type of holiday in which holiday-makers can take part in many different organized activities, esp sports
- advisory teacher — a teacher who visits schools to advise teachers on curriculum developments within a particular subject area
- african honeybee — killer bee.
- african mahogany — any of several African trees of the meliaceous genus Khaya, esp K. ivorensis, that have wood similar to that of true mahogany
- aminocyclohexane — cyclohexylamine.
- angiographically — By the use of angiography.
- archaeoastronomy — the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations
- archaeologically — In an archaeological manner.
- arthroscopically — By means of arthroscopy.
- astroarchaeology — archaeoastronomy.
- atomic physicist — a scientist specializing in atomic physics
- black chokeberry — See under chokeberry (def 1).
- buckthorn family — the plant family Rhamnaceae, characterized by shrubs and trees having alternate, simple leaves, clusters of small flowers, and fruit in the form of a drupe or capsule, and including the buckthorn, cascara, and New Jersey tea.
- buoyancy chamber — an enclosed section of a canoe, float, ship or other object that contains air, foam, or another buoyant substance in order to help maintain buoyancy
- bush honeysuckle — any of several shrubs of the genus Diervilla, of eastern North America, having clusters of yellowish flowers.
- butterfly orchid — an orchid (Oncidium papilio) with reddish flowers, native to South America
- by hook or crook — by any means
- canyon de chelly — a canyon in NE Arizona, in the Navajo reservation: site contains prehistoric cliff dwellings.
- cartographically — the production of maps, including construction of projections, design, compilation, drafting, and reproduction.
- caryophyllaceous — of, relating to, or belonging to the Caryophyllaceae, a family of flowering plants including the pink, carnation, sweet william, and chickweed
- cash on delivery — If you pay for goods cash on delivery, you pay for them in cash when they are delivered. The abbreviation C.O.D. is also used.
- cashless society — a society in which purchases of goods or services are made by credit card or electronic funds transferral rather than with cash or checks.
- catastrophically — of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.
- cathode ray tube — (hardware) (CRT) An electrical device for displaying images by exciting phosphor dots with a scanned electron beam. CRTs are found in computer VDUs and monitors, televisions and oscilloscopes. The first commercially practical CRT was perfected on 29 January 1901 by Allen B DuMont. A large glass envelope containing a negative electrode (the cathode) emits electrons (formerly called "cathode rays") when heated, as in a vacuum tube. The electrons are accelerated across a large voltage gradient toward the flat surface of the tube (the screen) which is covered with phosphor. When an electron strikes the phosphor, light is emitted. The electron beam is deflected by electromagnetic coils around the outside of the tube so that it scans across the screen, usually in horizontal stripes. This scan pattern is known as a raster. By controlling the current in the beam, the brightness at any particular point (roughly a "pixel") can be varied. Different phosphors have different "persistence" - the length of time for which they glow after being struck by electrons. If the scanning is done fast enough, the eye sees a steady image, due to both the persistence of the phospor and of the eye itself. CRTs also differ in their dot pitch, which determines their spatial resolution, and in whether they use interlace or not.
- cathode-ray tube — A cathode-ray tube is a device in televisions and computer terminals which sends an image onto the screen.
- character comedy — comedy, or a comedy, in which the main source of humour is in the character of the people represented in it
- chemonucleolysis — treatment for a herniated spinal disk in which chymopapain is injected into the disk to dissolve tissue.
- chemoprophylaxis — the prevention of disease using chemical drugs
- chemoreceptivity — The ability of a sense organ to respond to a chemical stimulus.
- chernobyl packet — (networking) /cher-noh'b*l pak'*t/ A network packet that induces a broadcast storm and/or network meltdown, named in memory of the April 1986 nuclear accident at Chernobyl in Ukraine. The typical scenario involves an IP Ethernet datagram that passes through a gateway with both source and destination Ethernet address and IP address set as the respective broadcast addresses for the subnetworks being gated between. Compare Christmas tree packet.
- chiclet keyboard — (hardware, abuse) A keyboard with a small, flat rectangular or lozenge-shaped rubber or plastic keys that look like pieces of Chiclets chewing gum. Used especially to describe the original IBM PCjr keyboard. Vendors unanimously liked these because they were cheap, and a lot of early portable and laptop computers were launched with them. Customers rejected the idea with almost equal unanimity, and chiclets are not often seen on anything larger than a digital watch any more.
- child psychology — the study of the mental states and processes of children.
- cholecystography — radiography of the gall bladder after administration of a contrast medium
- chondrodysplasia — (medicine) A genetic disorder characterized by short-limbed dwarfism.
- chymotrypsinogen — the inactive precursor of chymotrypsin
- chytridiomycosis — An infectious disease of amphibians caused by the chytrid fungus.
- clean technology — techniques used in manufacturing processes that minimize the damage caused to the environment
- close by/at hand — Something that is close by or close at hand is near to you.
- coherence theory — the theory of truth that every true statement, insofar as it is true, describes its subject in the totality of its relationship with all other things.
- commonwealth day — the anniversary of Queen Victoria's birth, May 24, celebrated (now on the second Monday in March) as a holiday in many parts of the Commonwealth
- community charge — (formerly in Britain) a flat-rate charge paid by each adult in a community to his or her local authority in place of rates
- community church — an independent or denominational church in a particular community.
- community school — a school offering some nonacademic activities related to life in a particular community and often serving as a community centre
- copper hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
- copyright symbol — (character, legal) "©" The internationally recognised symbol required to introduce a copyright notice, a letter C with a circle around it. This can be encoded in ISO 8859-1 as character code decimal 169, hexadecimal A9, in HTML as ©, © or ©. A "c" in parentheses: "(c)" is sometimes used in documents stored in a coded character set such as ASCII that does not include the C in a circle, but this has no legal meaning.
- cornelian cherry — a flowering tree of the dogwood family Cornus mas
- coronary cushion — a thick band of vascular tissue in the coronet of horses and other hoofed animals that secretes the horny wall of the hoof.
- covariant theory — the principle that physical laws have the same form and interrelations in any system of coordinates in which they are expressed.
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