15-letter words containing p, o, s, t, d, r
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- pulchritudinous — physically beautiful; comely.
- question period — a period of time set aside each day for members of parliament to question government ministers
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- registered port — (networking) Any TCP or UDP port with a number in the range 1025 to 65535 (i.e. not a well-known port) that is registered with IANA.
- registered post — a Post Office service by which compensation is paid for loss or damage to mail for which a registration fee has been paid
- reported clause — A reported clause is a subordinate clause that indicates what someone said or thought. For example, in 'She said that she was hungry', 'she was hungry' is a reported clause.
- reported speech — indirect quotation
- saturated vapor — a vapor whose temperature and pressure are such that any compression of its volume at constant temperature causes it to condense to liquid at a rate sufficient to maintain a constant pressure.
- seafood platter — a plate of assorted seafood, served in a restaurant
- seidlitz powder — a laxative consisting of two powders, tartaric acid and a mixture of sodium bicarbonate and Rochelle salt (sodium potassium tartrate)
- self-production — produced by oneself or itself.
- serendipitously — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
- slide projector — device for showing slides
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- sphaerosiderite — a type of siderite
- spheroidization — the conversion of grains into spheroids
- 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.
- spread the word — make others aware
- stamping ground — a habitual or favorite haunt.
- stilpnosiderite — a resinous variety of limonite with a black-brown colour
- stomping ground — a habitual or favorite haunt.
- stop-loss order — an order from a customer to a broker to sell a security if the market price drops below a designated level.
- studhorse poker — stud poker.
- studio portrait — a photograph of a person taken in a studio
- styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
- superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
- sweep the board — (in gambling) to win all the cards or money
- thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
- threshold price — the highest price a retailer is allowed to sell a particular good at
- to good purpose — with a good result or effect; advantageously
- trading profits — profits made from the buying and selling of goods and services
- transportedness — the quality or state of being carried away with pleasure or rapture
- trapdoor spider — any of various, often large, spiders (esp. family Ctenizidae) that dig a burrow and cover the entrance with a hinged lid like a trapdoor
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- unprotected sex — an act of sexual intercourse or sodomy performed without the use of a condom, thus involving the risk of sexually transmitted diseases
- unprotectedness — the state of being unprotected or defenceless against attack