16-letter words containing p, a, n, s
- organ transplant — an operation in which an organ is transplanted from a donor
- organophosphates — Plural form of organophosphate.
- organophosphorus — Denoting synthetic organic compounds containing phosphorus, especially pesticides and nerve gases of this kind.
- osculating plane — the plane containing the circle of curvature of a point on a given curve.
- 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.
- 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
- paint-by-numbers — formulaic; showing no original thought or creativity
- pairs tournament — an event in a sport such as tennis or darts open to pairs of competitors
- palmer peninsula — former name of Antarctic Peninsula.
- palmerston north — a city in New Zealand, in the S North Island on the Manawatu River. Pop: 78 100 (2004 est)
- 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
- parallel sailing — sailing along a parallel of latitude.
- paraprofessional — a person trained to assist a doctor, lawyer, teacher, or other professional, but not licensed to practice in the profession.
- parents' evening — an occasion when the parents of children at a school and their teachers come together (outside normal school hours, in the evening) in order to discuss the progress or work of the children
- parser generator — A program which takes a formal description of a grammar (e.g. in BNF) and outputs source code for a parser which will recognise valid strings obeying that grammar and perform associated actions. Unix's yacc is a well known example.
- parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
- pascal's limacon — limaçon.
- pass-band filter — band-pass filter
- passage to india — a novel (1924) by E. M. Forster.
- passenger pigeon — an extinct pigeon, Ectopistes migratorius, once found in great numbers in North America, noted for its sustained migratory flights.
- passive immunity — immunity resulting from the injection of antibodies or sensitized lymphocytes from another organism or, in infants, from the transfer of antibodies through the placenta or from colostrum.
- passive transfer — Immunology. injection of lymphocytes or antibody from an immune or sensitized donor to a nonimmune host in order to impart immunity or test for allergic reactions.
- 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
- paulinus of nola — Saint. ?353–431 ad, Roman consul and Christian poet; bishop of Nola (409–431). Feast day: June 22
- pavillon chinois — crescent (def 6).
- peasants' revolt — the first great popular rebellion in English history (1381), caused by the imposition of an unpopular poll tax: it lasted less than a month and failed as a social revolution
- pectoralis minor — the smaller of the two large chest muscles that assist in movements of the shoulder and upper arm
- pelagian islands — a group of Italian islands (Lampedusa, Linosa, and Lampione) in the Mediterranean, between Tunisia and Malta. Pop: 6066 (2004 est). Area: about 27 sq km (11 sq miles)
- 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
- peninsular state — Florida (used as a nickname).
- pension mortgage — an arrangement whereby a person takes out a mortgage and pays the capital repayment instalments into a pension fund and the interest to the mortgagee. The loan is repaid out of the tax-free lump sum proceeds of the pension plan on the borrower's retirement
- 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.
- pentothal sodium — thiopental sodium
- 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.
- personal details — details about a person such as their name and address
- personal effects — belongings
- personal hygiene — bodily cleanliness
- personal liberty — the liberty of an individual to do his or her will freely except for those restraints imposed by law to safeguard the physical, moral, political, and economic welfare of others.
- personal pension — a private pension scheme in which an individual contributes part of his or her salary to a financial institution, which invests it so that a lump sum is available on retirement; this is then used to purchase an annuity
- personal pronoun — any one of the pronouns used to refer to the speaker, or to one or more to or about whom or which he or she is speaking, as, in English, I, we, you, he, she, it, they.