15-letter words containing s, n, a, p, o
- plain of sharon — a plain in W Israel, between the Mediterranean and the hills of Samaria, extending from Haifa to Tel Aviv
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- planck constant — the fundamental constant of quantum mechanics, expressing the ratio of the energy of one quantum of radiation to the frequency of the radiation and approximately equal to 6.624 × 10− 27 erg-seconds. Symbol: h.
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery
- plate tectonics — a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- platitudinously — in a platitudinal manner
- pleasure-loving — enjoying pleasure
- plumbaginaceous — belonging to the Plumbaginaceae, the leadwort family of plants.
- point-and-shoot — of or denoting a camera that does not require manual adjustment of shutter speed, focus, aperture, etc.
- poisson's ratio — the ratio, in an elastic body under longitudinal stress, of the transverse strain to the longitudinal strain.
- police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
- policy issuance — Policy issuance is the process of creating an insurance policy and providing it to the policyholder.
- polish notation — a logical notation that dispenses with the need for brackets by writing the logical constants as operators preceding their arguments
- polling station — voting venue
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyphloesboean — noisy
- polysomnography — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- pontifical mass — (sometimes lowercase) Roman Catholic Church. a High Mass celebrated by a bishop or other prelate.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- port washington — a town on NW Long Island, in SE New York.
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-liberation — the act of liberating or the state of being liberated.
- post-millennial — of or relating to the period following the millennium.
- post-parturient — bearing or about to bear young; travailing.
- postconsonantal — immediately following a consonant.
- postdevaluation — the period following the devaluation of a currency
- postinoculation — the act or process of inoculating.
- postirradiation — occurring after or due to irradiation
- postman's knock — a children's party game in which a kiss is exchanged for a pretend letter
- postpollination — occurring after pollination
- poststimulation — occurring after stimulation
- posttransfusion — occurring after or as a result of a transfusion
- postulationally — in a postulational manner
- postvaccination — occurring after a vaccination
- pound one's ear — to sleep
- power macintosh — Power Mac
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-romanticism — romantic spirit or tendency.
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- preprofessional — of or relating to the time preceding one's concentrated study or practice of a profession: preprofessional training.
- preregistration — early registration, in advance of event or general registration
- presentationism — the doctrine that in perception, or in all forms of knowledge, there is an immediate awareness of the things perceived.
- preservationism — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- preservationist — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.