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15-letter words containing o, i

  • acroanaesthesia — (pathology) Loss of sensation in the extremities.
  • actinochemistry — the branch of chemistry dealing with actinism; photochemistry.
  • actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
  • action painting — a development of abstract expressionism evolved in the 1940s, characterized by broad vigorous brush strokes and accidental effects of thrown, smeared, dripped, or spattered paint
  • action reporter — a news reporter who reports to the public on matters of special interest to the consumer.
  • action stations — the positions taken up by individuals in preparation for or during a battle
  • active hydrogen — hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
  • activity method — a type of teaching in which students acquire knowledge and understanding by participating in a set of specially designed activities, rather than by passively listening to a teacher
  • adaptive optics — a technique used to increase the resolution of a ground-based astronomical telescope by counteracting the effects of the atmosphere on the image. A deforming mirror in the light path of the telescope maintains a pointlike image of the celestial body using either a real star or a laser beam as a reference
  • addressing mode — 1.   (processor, programming)   One of a set of methods for specifying the operand(s) for a machine code instruction. Different processors vary greatly in the number of addressing modes they provide. The more complex modes described below can usually be replaced with a short sequence of instructions using only simpler modes. The most common modes are "register" - the operand is stored in a specified register; "absolute" - the operand is stored at a specified memory address; and "immediate" - the operand is contained within the instruction. Most processors also have indirect addressing modes, e.g. "register indirect", "memory indirect" where the specified register or memory location does not contain the operand but contains its address, known as the "effective address". For an absolute addressing mode, the effective address is contained within the instruction. Indirect addressing modes often have options for pre- or post- increment or decrement, meaning that the register or memory location containing the effective address is incremented or decremented by some amount (either fixed or also specified in the instruction), either before or after the instruction is executed. These are very useful for stacks and for accessing blocks of data. Other variations form the effective address by adding together one or more registers and one or more constants which may themselves be direct or indirect. Such complex addressing modes are designed to support access to multidimensional arrays and arrays of data structures. The addressing mode may be "implicit" - the location of the operand is obvious from the particular instruction. This would be the case for an instruction that modified a particular control register in the CPU or, in a stack based processor where operands are always on the top of the stack. 2. In IBM System 370/XA the addressing mode bit controls the size of the effective address generated. When this bit is zero, the CPU is in the 24-bit addressing mode, and 24 bit instruction and operand effective addresses are generated. When this bit is one, the CPU is in the 31-bit addressing mode, and 31-bit instruction and operand effective addresses are generated.
  • adenocarcinomas — Plural form of adenocarcinoma.
  • adenohypophysis — the anterior lobe of the pituitary gland
  • adenoidectomies — Plural form of adenoidectomy.
  • adhesive factor — the ratio of the force that can be exerted on driving wheels with full traction to the weight on the driving wheels, usually expressed as a percentage.
  • adjective group — An adjective group or adjectival group is a group of words based on an adjective, such as 'very nice' or 'interested in football'. An adjective group can also consist simply of an adjective.
  • adjectivization — Grammar. to make into an adjective, as by adding a suffix: The noun mirth can be adjectivized by adding -ful or -less to form the adjectives mirthful and mirthless.
  • adlai stevenson — Adlai Ewing [ad-ley yoo-ing] /ˈæd leɪ ˈyu ɪŋ/ (Show IPA), 1835–1914, vice president of the U.S. 1893–97.
  • administrations — Plural form of administration.
  • admiralty cloth — melton cloth, used for coats and jackets, especially for the naval service.
  • admiralty court — the court that has jurisdiction in matters relating to maritime law
  • admiralty house — the official residence of the Governor General of Australia, in Sydney
  • adoption agency — an agency that matches children needing adoption with people willing to adopt
  • adoption papers — documentation relating to the adoption of a particular child
  • adrenalectomies — Plural form of adrenalectomy.
  • adult education — Adult education is education for adults in a variety of subjects, most of which are practical, not academic. Classes are often held in the evenings.
  • aegyptopithecus — a genus of extinct anthropoid ape of the Oligocene Period known from remains found in Egypt.
  • aerial pingpong — Australian Rules football
  • aerobic dancing — a system of exercises combining aerobics with dance steps and usually done to music.
  • aerodynamically — the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on bodies in the medium. Compare aerostatics (def 1).
  • aerodynamicists — Plural form of aerodynamicist.
  • aerotitis media — temporary deafness and pain arising from traumatic inflammation of the middle ear, caused by a rapid change in barometric pressure, as a rise in ambient cabin pressure in an aircraft descending from high altitude for landing.
  • affaire d'amour — a love affair
  • affine geometry — the branch of geometry dealing with affine transformations.
  • african buffalo — Cape buffalo.
  • after a fashion — If you say that something was done after a fashion, you mean that it was done, but not very well.
  • age of aquarius — an astrological era believed to bring increased spirituality and harmony on earth.
  • age-appropriate — Something that is age-appropriate is suitable for the age that a person is.
  • agranulocytosis — a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
  • agree to differ — to end an argument amicably while maintaining differences of opinion
  • agro-industrial — the large-scale production, processing, and packaging of food using modern equipment and methods.
  • air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
  • air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
  • air force cross — a U.S. Air Force decoration awarded for extraordinary heroism in action
  • air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
  • airborne attack — an attack involving airborne troops
  • airconditioning — Alternative spelling of air conditioning.
  • airing cupboard — In British houses, an airing cupboard is a warm cupboard where you put clothes and other things that have been washed and partly dried, to make sure they are completely dry.
  • airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
  • aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
  • albert memorial — monument to Prince Albert of England in Kensington Gardens, London: 175 ft (53 m) high
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