15-letter words containing d, r, e, g, i
- 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.
- 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.
- 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.
- admiralty range — a mountain range in Antarctica, on the coast of Victoria Land, northwest of the Ross Sea
- advanced higher — the highest level of qualification offered within the school system, replacing the former Certificate of Sixth Year Studies
- advertising man — adman (def 1).
- adygei republic — a constituent republic of SW Russia, bordering on the Caucasus Mountains: chiefly agricultural but with some mineral resources. Capital: Maikop. Pop: 447 000 (2002). Area: 7600 sq km (2934 sq miles)
- aerobic dancing — a system of exercises combining aerobics with dance steps and usually done to music.
- agree to differ — to end an argument amicably while maintaining differences of opinion
- airs and graces — If you refer to someone's airs and graces, you mean that they behave in a way that shows that they think they are more important than other people.
- an axe to grind — an ulterior motive
- andrew carnegie — Andrew, 1835–1919, U.S. steel manufacturer and philanthropist, born in Scotland.
- andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
- anticancer drug — a drug used to treat cancer
- audience rating — a figure based on statistical sampling indicating what proportion of the total listening and viewing audience tune in to a specific programme or network
- audio recording — an electronic recording of sound
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- bedford heights — a town in N Ohio.
- bedtime reading — a book, magazine etc read at bedtime
- beta-adrenergic — pertaining to or involving beta receptors
- big muddy river — a river in SW Illinois, flowing SW into the Mississippi. About 120 miles (195 km) long.
- big sandy creek — a river in central Colorado, flowing NE and SE to the Arkansas River near Lamar: site of the 1864 Sand Creek Massacre. 200 miles (322 km) long.
- birch partridge — ruffed grouse
- bird of passage — If you refer to someone as a bird of passage, you mean that they are staying in a place for a short time before going to another place.
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blending center — A blending center is a place for mixing fluids, gases, and powders.
- boiled dressing — a cooked salad dressing thickened with egg yolks and often containing mustard.
- breeding ground — If you refer to a situation or place as a breeding ground for something bad such as crime, you mean that this thing can easily develop in that situation or place.
- breeding season — the time of year during which animals breed
- bridge of sighs — a covered 16th-century bridge in Venice, between the Doges' Palace and the prisons, through which prisoners were formerly led to trial or execution
- bridge-building — efforts to establish communications and friendly contacts between people in order to make them friends or allies
- brights-disease — a disease characterized by albuminuria and heightened blood pressure.
- bring to a head — to bring or be brought to a crisis
- bronzing powder — the powder used in bronzing, consisting of alloys of bronze or brass
- brooklyn bridge — a suspension bridge over the East River, in New York City, connecting Manhattan and Brooklyn: built 1867–84. 5989 feet (1825 meters) long.
- brush discharge — a slightly luminous electrical discharge between points of high charge density when the charge density is insufficient to cause a spark or around sharp points on a highly charged conductor because of ionization of air molecules in their vicinity
- building permit — a permit for construction work
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- building worker — a labourer, bricklayer, etc who works in the construction industry
- butter-fingered — a person who frequently drops things; clumsy person.
- cardiac massage — a rhythmic compressing of the heart, using the hands to force blood through the blood vessels: an emergency medical procedure for treating heart failure
- carding machine — card2 (defs 1, 2).
- cartridge brass — brass composed of about 70 percent copper and 30 percent zinc.
- cartridge paper — an uncoated type of drawing or printing paper, usually made from bleached sulphate wood pulp with an addition of esparto grass
- cattle breeding — the science or business of breeding and raising cattle
- centipede grass — a slow-growing grass, Eremochloa ophiuroides, introduced into the U.S. from China and used for lawns in warm areas.
- child battering — child abuse in the form of battering
- child-battering — the physical abuse of a child by a parent or guardian, as by beating.
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