16-letter words containing s, p, c
- opposed-cylinder — (of an internal-combustion engine) having cylinders on opposite sides of the crankcase in the same plane
- optical illusion — something that deceives by producing a false or misleading impression of reality.
- optical scanning — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical tweezers — a laser device used to study, manipulate, or trap a microscopic object, as a microorganism or cell, with nanometer precision.
- orthosympathetic — Of or pertaining to the sympathetic component of the autonomic nervous system.
- osculating plane — the plane containing the circle of curvature of a point on a given curve.
- osmotic pressure — the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.
- over-consumption — the act of consuming, as by use, decay, or destruction.
- over-descriptive — having the quality of describing; characterized by description: a descriptive passage in an essay.
- over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- overcompensating — Present participle of overcompensate.
- overcompensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- overcompensatory — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- oversubscription — to subscribe for more of than is available, expected, or required: The charity drive was oversubscribed by several thousand dollars.
- pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
- packet switching — a method of efficient data transmission whereby the initial message is broken into relatively small units, or packets, that are routed independently and subsequently reassembled.
- packet-switching — a method of efficient data transmission whereby the initial message is broken into relatively small units, or packets, that are routed independently and subsequently reassembled.
- paediatric nurse — a nurse who specializes in the care of children
- pair of scissors — two-bladed cutting tool
- 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.
- people's commune — a usually rural, Communist Chinese social and administrative unit of from 2000 to 4000 families combined for collective farming, fishing, mining, or industrial projects.
- percussion drill — a drill that is operated by percussion
- perfecting press — a rotary press for printing both sides of a sheet or web in one operation.
- 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.
- person of colour — a person who is not White
- 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.