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15-letter words containing n, a, c, h

  • boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
  • book of changes — an ancient Chinese book of divination, in which 64 pairs of trigrams are shown with various interpretations.
  • brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
  • branch and hang — (humour)   (BRH) Originally a mythical instruction for the IBM 1130 at Indiana University. Later some real examples were discovered. The Texas Instruments TI-980 allowed all addressing modes with all instructions, including Store Immediate Extended (stores the value into the extension word of the instruction) and Branch and Link Immediate (makes a subroutine call to the same instruction -- Branch and Hang). Compare HCF.
  • branchial cleft — Zoology. one of a series of slitlike openings in the walls of the pharynx between the branchial arches of fishes and aquatic amphibians through which water passes from the pharynx to the exterior.
  • branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
  • branching rules — rules that are used to break down a complex problem into several smaller problems
  • branchiostegous — branchiostegal.
  • breakeven chart — a graph measuring the value of an enterprise's revenue and costs against some index of its activity, such as percentage capacity. The intersection of the total revenue and total cost curves gives the breakeven point
  • breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
  • bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
  • bronchial tubes — the bronchi or their smaller divisions
  • buckinghamshire — a county in SE central England, containing the Vale of Aylesbury and parts of the Chiltern Hills: the geographic and ceremonial county includes Milton Keynes, which became an independent unitary authority in 1997. Administrative centre: Aylesbury. Pop (excluding Milton Keynes): 478 000 (2003 est). Area (excluding Milton Keynes): 1568 sq km (605 sq miles)
  • by a long chalk — You can use by a long chalk to add emphasis to something you are saying.
  • byzantine chant — liturgical plainsong identified with the Eastern Orthodox Church and dating from the Byzantine Empire.
  • cache coherency — (storage)   (Or "cache consistency") /kash koh-heer'n-see/ The synchronisation of data in multiple caches such that reading a memory location via any cache will return the most recent data written to that location via any (other) cache. Some parallel processors do not cache accesses to shared memory to avoid the issue of cache coherency. If caches are used with shared memory then some system is required to detect when data in one processor's cache should be discarded or replaced because another processor has updated that memory location. Several such schemes have been devised.
  • caernarvonshire — (until 1974) a county of NW Wales, now part of Gwynedd
  • calabash nutmeg — a tropical African shrub, Monodora myristica, whose oily aromatic seeds can be used as nutmegs: family Annonaceae
  • calydonian hunt — the pursuit by Meleager, Atalanta, and others of a savage boar (Calydonian boar) sent by Artemis to lay waste to Calydon.
  • canadian french — the French language as spoken in Canada, esp in Quebec
  • canadian shield — (in Canada) the wide area of Precambrian rock extending west from the Labrador coast to the basin of the Mackenzie and north from the Great Lakes to Hudson Bay and the Arctic: rich in minerals
  • canadian whisky — a blended whisky made in Canada from rye and other grains
  • cannot help but — to be unable to do anything else except
  • cape chelyuskin — a cape in N central Russia, in N Siberia at the end of the Taimyr Peninsula: the northernmost point of Asia
  • cape horn fever — illness feigned by malingerers.
  • captain's chair — a hardwood armchair having a low, curved back, formed of a single rail supported by spindles, and a saddle seat
  • cardinal humour — any of the four bodily fluids (blood, phlegm, choler or yellow bile, melancholy or black bile) formerly thought to determine emotional and physical disposition
  • carding machine — card2 (defs 1, 2).
  • carmarthenshire — a county of S Wales, formerly part of Dyfed (1974–96): on Carmarthen Bay, with the Cambrian Mountains in the N: generally agricultural (esp dairying). Administrative centre: Carmarthen. Pop: 176 000 (2003 est). Area: 2398 sq km (926 sq miles)
  • carrying charge — the opportunity cost of unproductive assets, such as goods stored in a warehouse
  • cassini-huygens — a NASA-ESA spacecraft launched in 1997 to study Saturn and its moons; Cassini entered orbit around the planet in 2004 and released the Huygens probe which landed on Titan in 2005
  • catastrophising — Present participle of catastrophise.
  • catastrophizing — Present participle of catastrophize.
  • catch (on) fire — to begin burning; ignite
  • catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
  • catharine wheel — Catherine wheel.
  • catherine wheel — A Catherine wheel is a firework in the shape of a circle which spins round and round.
  • catheterisation — Alternative spelling of catheterization.
  • catheterization — to introduce a catheter into.
  • cauchy sequence — fundamental sequence.
  • center halfback — Field Hockey. the player in the middle among the halfbacks.
  • central heating — Central heating is a heating system for buildings. Air or water is heated in one place and travels round a building through pipes and radiators.
  • chain lightning — lightning that zigzags across the sky
  • chairpersonship — a person who presides over a meeting, committee, board, etc.
  • chamber concert — a concert of chamber music
  • chamber counsel — a counsel who advises in private and does not plead in court
  • champagne flute — a tall, thin champagne glass
  • champagne glass — a glass for drinking champagne, either a glass with a wide mouth and a roughly triangular shape or a tall flute
  • chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
  • chandler wobble — a slight, irregular nutation of the earth's rotational axis with a period of c. 428 days
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