16-letter words containing a, s, c, p
- panel discussion — a formal discussion before an audience for which the topic, speakers, etc., have been selected in advance.
- panoramic screen — a very wide screen, as of a television, etc
- papillary muscle — one of the small bundles of muscles attached to the ventricle walls and to the chordae tendineae that tighten these tendons during ventricular contraction.
- paratuberculosis — Johne's disease.
- parochial school — a primary or secondary private school supervised by a religious organization, especially a Roman Catholic day school affiliated with a parish or a holy order.
- particle physics — the branch of physics that deals with the properties and behavior of elementary particles.
- pascal's limacon — limaçon.
- pascal's theorem — the theorem that the lines joining adjacent vertices of a hexagon intersect the same straight line if alternate vertices lie on two intersecting straight lines.
- passport control — identity check at airport, etc.
- paterson's curse — a purple-flowered noxious plant, Echium plantagineum, a close relative of viper's bugloss, naturalized in Australia and NZ where its harmfulness to livestock has prompted attempts to limit its spread
- pavillon chinois — crescent (def 6).
- pectoralis major — the larger of the two large chest muscles that assist in movements of the shoulder and upper arm
- pectoralis minor — the smaller of the two large chest muscles that assist in movements of the shoulder and upper arm
- pelagic division — the biogeographic realm or zone that comprises the open seas and oceans, including water of all depths.
- pelican crossing — place to cross road
- pencil sharpener — tool for sharpening pencils to a point
- pentatonic scale — a scale having five tones to an octave, as one having intervals that correspond to the five black keys of a piano octave.
- people's charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
- performance test — a test requiring little or no use of language, the test materials being designed to elicit manual or behavioral responses rather than verbal ones.
- permaculturalist — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- personal effects — belongings
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- personnel agency — an agency for placing employable persons in jobs; employment agency.
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacodynamics — the branch of pharmacology dealing with the course of action, effect, and breakdown of drugs within the body.
- pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
- pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
- pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
- phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
- phase microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
- philanthropistic — a person who practices philanthropy.
- phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
- phrase structure — the hierarchical arrangement of the constituent words and phrases of a sentence.
- physical address — (memory management) The address presented to a computer's main memory in a virtual memory system, in contrast to the virtual address which is the address generated by the CPU. A memory management unit translates virtual addresses into physical addresses.
- physical fitness — good physical condition
- physical science — any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy.
- physical therapy — the treatment or management of physical disability, malfunction, or pain by exercise, massage, hydrotherapy, etc., without the use of medicines, surgery, or radiation.
- physical-capital — tools, machinery, computers, and other equipment that are needed for the production of goods and services: money spent by business firms on physical capital.
- physiognomically — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- pico de sao tome — an island in the Gulf of Guinea, off the W coast of Gabon, just N of the equator: the larger component of the Democratic Republic of São Tomé and Príncipe. 318 sq. mi. (824 sq. km).
- picture postcard — postcard (def 1).
- piece d'occasion — something prepared or used for a special occasion.
- pierce's disease — a disease of grapes caused by a rickettsialike organism, characterized by dwarfing of vines, mottling of woody tissues, and plant death.
- piscis austrinus — a small constellation in the S hemisphere lying between Aquarius and Grus and containing the first-magnitude star Fomalhaut
- place in the sun — (often initial capital letter) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93 million miles (150 million km), its diameter about 864,000 miles (1.4 million km), and its mass about 330,000 times that of the earth; its period of surface rotation is about 26 days at its equator but longer at higher latitudes.
- place of worship — religious house: church, temple
- plainclothes man — a detective or police officer who wears civilian clothes while on duty
- play one's cards — to carry out one's plans; take action (esp in the phrase play one's cards right)
- play-action pass — a pass play designed to deceive the defense by appearing to be a running play, in which the quarterback fakes a hand-off to a back before throwing a forward pass.