14-letter words containing n, a, p, r
- pharmacopoeian — an individual who has expert knowledge of a pharmacopoeia
- phase-wrapping — (MIT) wrap around.
- phenobarbitone — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phenosafranine — safranine (def 2).
- phenylcarbinol — benzyl alcohol.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- philanthropist — a person who practices philanthropy.
- philanthropize — to treat (persons) in a philanthropic manner.
- philanthropoid — an individual who does work for a charitable body
- photoengraving — a photographic process of preparing printing plates for letterpress printing.
- piano concerto — a musical piece composed for the piano accompanied by an orchestra
- piedras negras — a city in N Mexico, on the Rio Grande.
- pierian spring — a fountain in Pieria, sacred to the Muses and supposedly conferring inspiration or learning on anyone who drank from it.
- pigeon fancier — sb who breeds pigeons
- pigeon-hearted — timid; meek.
- pin grid array — (hardware) (PGA) A style of integrated circuit socket or pin-out with pins laid out on a square or rectangular grid with a separation of 0.1 inch in each direction. The pins near the centre of the array are often missing. PGA is often used on motherboards for processors, e.g. Socket 6 and Socket 8. PPGA is "plastic PGA" (as opposed to ceramic?). See also SPGA.
- pinafore dress — a sleeveless dress worn over a blouse or sweater
- pinhole camera — a simple camera in which an aperture provided by a pinhole in an opaque diaphragm is used in place of a lens.
- pinking shears — shears that have notched blades, for cutting and simultaneously pinking fabric or for finishing garments with a notched, nonfraying edge.
- pinnatipartite — (of leaves) pinnately divided into lobes reaching just over halfway to the midrib
- pipeline break — (architecture) (Or "pipeline stall") The delay caused on a processor using pipelines when a transfer of control is taken. Normally when a control-transfer instruction (a branch, conditional branch, call or trap) is taken, any following instructions which have been loaded into the processor's pipeline must be discarded or "flushed" and new instructions loaded from the branch destination. This introduces a delay before the processor can resume execution. "Delayed control-transfer" is a technique used to reduce this effect.
- pithecanthrope — (sometimes initial capital letter) a member of the former genus Pithecanthropus.
- pitjantjatjara — an Aboriginal people of the desert area of South Australia
- planar process — a method of producing diffused junctions in semiconductor devices. A pattern of holes is etched into an oxide layer formed on a silicon substrate, into which impurities are diffused through the holes
- plane geometry — the geometry of figures whose parts all lie in one plane.
- planning board — development group
- plantain-eater — any of various touracos, erroneously believed to feed chiefly on plantains and bananas.
- plantar reflex — a normal reflex flexion of the toes, especially in persons above one year of age, resulting from stroking the sole of the foot.
- player-manager — In football and some other sports, a player-manager is a person who plays for a team and also manages the team.
- plea agreement — an agreement between the prosecution and defence, sometimes including the judge, in which the accused agrees to plead guilty to a lesser charge in return for more serious charges being dropped
- pleasant grove — a town in central Utah.
- plenum-chamber — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
- plotting board — Navigation. a transparent table on a ship, used as a plotting sheet.
- pneumatic tire — wheel cover filled with pressurized air
- pneumatic tyre — a rubber tyre filled with air under pressure, used esp on motor vehicles
- pneumothoraces — the presence of air or gas in the pleural cavity.
- poetry reading — a public recital or rendering of a poem
- point calimere — a cape on the SE coast of India, on the Palk Strait
- pointe-a-pitre — a seaport on central Guadeloupe, in the E West Indies.
- polar distance — codeclination.
- polar equation — an equation in which the variables are polar coordinates.
- polar sequence — a series of stars in the vicinity of the N celestial pole whose accurately determined magnitudes serve as the standard for visual and photographic magnitudes of stars
- polar zenithal — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it at one of the poles
- polymerization — the act or process of forming a polymer or polymeric compound.
- polyunsaturate — a polyunsaturated fat or fatty acid.
- ponderosa pine — Also called western yellow pine. a large pine, Pinus ponderosa, of western North America, having yellowish-brown bark: the state tree of Montana.
- popping crease — a line parallel to and in advance of a bowling crease, marking the limit of a batsman's approach in hitting the ball.
- popular singer — a professional singer who specializes in popular songs.
- popularization — to make popular: to popularize a dance.
- porcelain ware — articles made of porcelain, such as plates and cups