15-letter words containing p, i, s, t
- smoke pollution — pollution caused by fuels, etc, that produce smoke when burned
- snapping beetle — click beetle.
- snapping turtle — either of two large, edible, freshwater turtles of the family Chelydridae, of North and Central America, having a large head and powerful hooked jaws, especially the common snapping turtle, Chelydra serpentina.
- socialist party — a U.S. political party advocating socialism, formed about 1900 chiefly by former members of the Social Democratic Party and the Socialist Labor Party.
- socio-political — Socio-political systems and problems involve a combination of social and political factors.
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- sole proprietor — only owner
- solipsistically — in a solipsistic manner
- somatic therapy — any of a group of treatments presumed to act on biological factors leading to mental illness.
- sophisticatedly — (of a person, ideas, tastes, manners, etc.) altered by education, experience, etc., so as to be worldly-wise; not naive: a sophisticated young socialite; the sophisticated eye of an experienced journalist.
- southern paiute — See under Paiute (def 2).
- space scientist — an expert or specialist in any of the various science fields which relate to space flight or any phenomena occurring in space or on other planets. This would include for example such fields as Astronautics, Astrophysics, or Galactic Science
- spaghetti strap — a thin, often rounded strip of fabric used in women's clothing, as to form a shoulder strap on a bare-shouldered garment.
- spanish bayonet — any of certain plants belonging to the genus Yucca, of the agave family, having narrow, spine-tipped leaves and a cluster of white flowers.
- spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- spanish trefoil — alfalfa.
- sparcstation 10 — (computer) A SPARCStation with a 4-way associative data cache and a five-way associative instruction cache. The 10/31, 10/41 and 10/51 also have a secondary cache not present on earlier SPARCStations.
- sparcstation 20 — (computer) A SPARCStation based on the HyperSPARC processor. The 20 is compatible with the earlier SPARCstation 10. It has a clock rate of 100MHz and delivers a SPECfp92 of 127.6. The SPARCstation 20 Model 71 and 712MP uses the 75MHz SuperSPARC processors that give a 35% and 14% boost to SPECint92 and SPECfp92 respectively compared to the 61/612MP.
- sparkling water — soda water (def 1).
- speaking as sth — You can say 'speaking as a parent' or 'speaking as a teacher', for example, to indicate that the opinion you are giving is based on your experience as a parent or as a teacher.
- speaking of sth — You can say speaking of something that has just been mentioned as a way of introducing a new topic which has some connection with that thing.
- special edition — newspaper, magazine: extra issue
- special effects — Usually, special effects. a video or audio illusion in film or other media, created with computer-generated images, prosthetic makeup, pyrotechnics, etc.
- special feature — an article differing from the normal format and focusing on a particular topic
- special partner — a partner whose liability for the firm's debts is limited to the amount that partner has invested in the firm.
- special student — a student who is not seeking a degree but enrols in a course, esp to gain academic credits
- special subject — an area of knowledge in which someone specializes
- spectral series — a series of lines in the spectrum of light emitted by excited atoms of an element, each line being related to the others in the series by a simple numerical equation and identified with a particular energy level of an atom of the element.
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.
- speech training — training designed to improve spoken skills, such as voice projection
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- speeding ticket — notice of traffic violation
- spermatoblastic — relating to a spermatoblast
- spermatogenesis — the origin and development of spermatozoa.
- sphaerosiderite — a type of siderite
- spheroidization — the conversion of grains into spheroids
- spill the beans — the edible nutritious seed of various plants of the legume family, especially of the genus Phaseolus.
- spill your guts — If someone spills their guts, they tell you everything about something secret or private.
- spin the bottle — a game in which someone spins a bottle and receives a kiss from the person at whom the bottle points on coming to rest.
- spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
- spirit leveling — leveling according to the indications of a spirit level.
- spirit wrestler — a Doukhobor.
- spirits of salt — a solution of hydrochloric acid in water
- spirits of wine — alcohol (def 1).
- spirochaetaemia — the presence of spirochaetes in the blood
- spit and polish — great care in maintaining smart appearance and crisp efficiency: The commander was concerned more with spit and polish than with the company's morale.
- sporting chance — an even or fair opportunity for a favorable outcome in an enterprise, as winning in a game of chance or in any kind of contest: They gave the less experienced players a sporting chance by handicapping the experts.
- sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
- spotted sunfish — a sunfish, Lepomis punctatus, inhabiting streams from South Carolina to Florida, having the body marked with longitudinal rows of spots.
- spratly islands — a widely-scattered group of uninhabited islets and reefs in the S South China Sea, the subject of territorial claims wholly or in part by six neighbouring nations