15-letter words containing o, r, g, a, n
- a king's ransom — If you refer to a sum of money as a king's ransom, you are emphasizing that it is very large.
- a shingle short — unintelligent or mentally subnormal
- absorption edge — a discontinuity in the graph of the absorption coefficient of a substance plotted against the wavelength of x-rays being absorbed, representing the minimum energy necessary to free electrons from particular shells of the atoms of the substance.
- act of congress — a law that has been passed by both houses of the US Congress and signed by the president; if the president has chosen to veto the bill, it can be passed by a two-thirds majority in Congress
- actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
- active hydrogen — hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
- 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.
- advantage court — the receiver's left-hand service court, into which the ball is served when one side has the advantage.
- aerial pingpong — Australian Rules football
- aerobic dancing — a system of exercises combining aerobics with dance steps and usually done to music.
- affine geometry — the branch of geometry dealing with affine transformations.
- agranulocytosis — a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
- agro-industrial — the large-scale production, processing, and packaging of food using modern equipment and methods.
- 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.
- albany congress — a meeting of delegates from seven American colonies, held in 1754 at Albany, New York, at which Benjamin Franklin proposed a plan (Albany Plan of Union) for unifying the colonies.
- allegoricalness — the quality of being allegorical
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- alpha geminorum — Castor
- american gothic — a painting (1930) by Grant Wood.
- american legion — an association of former member of the US armed forces
- american wigeon — a bird of North America, Anas americana, that is similar to the wigeon; the male has a white crown
- americanologist — a foreign expert or specialist in American cultural or political matters: a leading Americanologist in the Kremlin.
- an axe to grind — an ulterior motive
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- analogous color — Art. any one of a group of related colors that are near each other on the color wheel, a circular chart that shows gradations of color: Red, orange, and yellow are analogous colors. Compare complementary color (def 1a).
- anchorage point — a point to which something such as the straps securing a childseat can be safely attached
- andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
- angina pectoris — a sudden intense pain in the chest, often accompanied by feelings of suffocation, caused by momentary lack of adequate blood supply to the heart muscle
- angle of repose — the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding
- angry young man — one of several British novelists and playwrights of the 1950s who shared a hostility towards the established traditions and ruling elements of their country
- angry young men — a group of young writers in Great Britain after WWII, bitterly critical of upper-class and middle-class values, practices, etc.
- angustirostrate — having a narrow, beak-like part
- anthony burgess — Anthony, 1917–93, English novelist and critic.
- anthropobiology — the biological study of the human species
- anthropogenesis — the study of the origins of man
- anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropologists — Plural form of anthropologist.
- anthropophagite — a cannibal
- anthropophagous — Who practices anthropophagy.
- anti-globalizer — a political activist who challenges the concept of globalization and promotes practices that do not cause environmental damage
- anticarcinogens — Plural form of anticarcinogen.
- anticholinergic — blocking nerve impulses through the parasympathetic nerves
- antiferromagnet — a material which exhibits antiferromagnetism
- antihemorrhagic — That stops or reduces hemorrhage.
- antipornography — opposed to or acting against pornography
- antiprogressive — opposed to or acting against progression in society
- antisegregation — opposed to or acting against segregration
- approval rating — approval of a politician as shown by opinion polls
- armour-piercing — capable of penetrating armour plate
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