15-letter words containing s, a, c, d, i
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- paracel islands — a group of uninhabited islets and reefs in the N South China Sea, the subject of territorial claims by China and Vietnam
- phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
- photodissociate — to split or break up molecules as a result of the absorption of photons
- pick and choose — to choose or select from among a group: to pick a contestant from the audience.
- pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
- pitcairn island — a small British island in the S Pacific, SE of Tuamotu Archipelago: settled 1790 by mutineers of the Bounty. 2 sq. mi. (5 sq. km).
- prejudicialness — the trait of being prejudicial
- prince's island — former name of Príncipe.
- pseudo-academic — of or relating to a college, academy, school, or other educational institution, especially one for higher education: academic requirements.
- pseudo-artistic — conforming to the standards of art; satisfying aesthetic requirements: artistic productions.
- pseudo-chemical — of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-dramatic — of or relating to the drama.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pseudo-suicidal — pertaining to, involving, or suggesting suicide.
- psychedelically — of or noting a mental state characterized by a profound sense of intensified sensory perception, sometimes accompanied by severe perceptual distortion and hallucinations and by extreme feelings of either euphoria or despair.
- psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- quadric surface — a three-dimensional surface whose equation is a quadratic equation.
- radio broadcast — sth transmitted via radio signal
- 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.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- red-back spider — a venomous spider, Latrodectus hasselti, of Australia and New Zealand, related to the black widow spider and having a bright red stripe on the back.
- rediscount rate — the rate charged by the Federal Reserve Bank to member banks for rediscounting commercial paper.
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- restricted area — out of bounds to military personnel
- reuben sandwich — a grilled sandwich of corned beef, Swiss cheese, and sauerkraut on rye bread.
- robert guiscard — Robert [French raw-ber] /French rɔˈbɛr/ (Show IPA), (Robert de Hauteville) c1015–85, Norman conqueror in Italy.
- rusty blackbird — a North American blackbird, Euphagus carolinus, the male of which has plumage that is uniformly bluish-black in the spring and rusty-edged in the fall.
- saddle-stitched — having a binding in which the sections of a publication are inserted inside each other and secured through the middle fold with thread, or wire staples
- sadomasochistic — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- salicylaldehyde — an oily, slightly water-soluble liquid, C 7 H 6 O 2 , having an almondlike odor: used chiefly in perfumery and in the synthesis of coumarin.
- san jacinto day — a legal holiday observed in Texas on April 21.
- sand-lime brick — a hard brick composed of silica sand and a lime of high calcium content, molded under high pressure and baked.
- sandwich course — A sandwich course is an educational course in which you have periods of study between periods of being at work.
- sanitary cordon — cordon sanitaire.
- scanning device — any of various devices used in medical diagnosis to obtain an image of an internal organ or part
- scared shitless — terrified
- scatter diagram — a graphic representation of bivariate data as a set of points in the plane that have Cartesian coordinates equal to corresponding values of the two variates.
- school holidays — the period during which schools are closed - in the summer, at Christmas and Easter, and at other times of the year
- scotch highland — any of a breed of small, hardy, usually dun-colored, shaggy-haired beef cattle with long, widespread horns, able to withstand the cold and sparse pasturage of its native western Scottish uplands.
- securicor guard — a guard who works for Securicor
- security thread — a colored thread running through the paper of a piece of paper money, used to deter counterfeiting.
- seeding machine — a machine for sowing seeds
- self-dedication — the act of dedicating.
- self-diagnostic — the diagnosis of one's own malady or illness.
- self-inductance — inductance inducing an electromotive force in the same circuit in which the motivating change of current occurs, equal to the number of flux linkages per unit of current.
- self-inoculated — to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance.