16-letter words containing a, p, s, o
- 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 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
- 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
- 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.
- permafrost table — the variable surface constituting the upper limit of permafrost. Compare frostline (def 2).
- 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.
- personal shopper — a person, often a store employee, whose job is to assist shoppers in selecting clothing or other merchandise.
- personal stylist — a person employed by a rich or famous client to offer advice on clothes, hairstyles, and other aspects of personal appearance
- personal trainer — a person who works one-on-one with a client to plan or implement an exercise or fitness regimen.
- personal tuition — private tuition
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- personality test — an instrument, as a questionnaire or series of standardized tasks, used to measure personality characteristics or to discover personality disorders.
- personality type — a cluster of personality traits commonly occurring together
- personnel agency — an agency for placing employable persons in jobs; employment agency.
- 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 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.
- phase modulation — radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal.
- philanthropistic — a person who practices philanthropy.
- philip of swabia — 1180?–1208, king of Germany and uncrowned emperor of the Holy Roman Empire 1198–1208 (son of Frederick I).
- phosphor fatigue — screen saver
- phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
- photorespiration — the oxidation of carbohydrates in many higher plants in which they get oxygen from light and then release carbon dioxide, somewhat different from photosynthesis.
- 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.
- place of worship — religious house: church, temple
- plain-spokenness — the quality or characteristic of being plain-spoken
- plainclothes man — a detective or police officer who wears civilian clothes while on duty
- plaster of paris — calcined gypsum in white, powdery form, used as a base for gypsum plasters, as an additive of lime plasters, and as a material for making fine and ornamental casts: characterized by its ability to set rapidly when mixed with water.
- platoon sergeant — the senior noncommissioned officer in a platoon, equivalent to sergeant first class.
- play off against — If you play people off against each other, you make them compete or argue, so that you gain some advantage.
- 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.
- pocket billiards — pool2 (def 1).