15-letter words containing si
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- queen-sized bed — A queen-sized bed is larger than a double bed, but smaller than a king-sized bed.
- query expansion — (information science) Adding search terms to a user's search. Query expansion is the process of a search engine adding search terms to a user's weighted search. The intent is to improve precision and/or recall. The additional terms may be taken from a thesaurus. For example a search for "car" may be expanded to: car cars auto autos automobile automobiles. The additional terms may also be taken from documents that the user has specified as being relevant; this is the basis for the "more like this" feature of some search engines. The extra terms can have positive or negative weights.
- radiosensitizer — a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.
- range paralysis — Marek's disease.
- rayside-balfour — a town in S Ontario, in S Canada.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.
- relapsing fever — one of a group of fevers characterized by relapses, occurring in many tropical countries, and caused by several species of spirochetes transmitted by several species of lice and ticks.
- resensitization — the state or process of being sensitized.
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- residual stress — a stress in a metal, on a microscopic scale and resulting from nonuniform thermal changes, plastic deformation, or other causes aside from temporary external forces or applications of heat.
- resist printing — a fabric-printing method in which a dye-resistant substance is applied to certain specified areas of the material prior to immersion in a dye bath and subsequently removed so as to permit the original hue to act as a pattern against the colored ground.
- responsibleness — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- retail business — a firm which sells goods to individual customers
- reverse osmosis — the process in which pure water is produced by forcing waste or saline water through a semipermeable membrane.
- reversing falls — a series of rapids in the Saint John River, New Brunswick, Canada, the flow of which regularly reverses itself owing to the force an incoming tide
- reversing light — Reversing lights are the white lights on the back of a motor vehicle which shine when the vehicle is in reverse gear.
- revised version — a recension of the Authorized Version, prepared by British and American scholars, the Old Testament being published in 1885, and the New Testament in 1881.
- reworked fossil — a fossil eroded from sediment and redeposited in younger sediment
- rhesus positive — relating to blood containing Rhesus antigen D
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- russian thistle — a saltwort, Salsola kali tenuifolia, that has narrow, spinelike leaves, a troublesome weed in the central and western U.S.
- sales assistant — a person who processes orders, arranges stock and helps customers in a retail shop
- san luis potosi — a state in central Mexico. 24,415 sq. mi. (63,235 sq. km).
- saviour sibling — a child conceived through IVF and screened for compatibility with a terminally or seriously ill sibling in order to provide organ or cell donations as a form of treatment
- scenic designer — a person whose job is to create the scenery for television, film and stage
- schistosomiasis — an infection caused by parasitic flukes of the genus Schistosoma, occurring commonly in eastern Asia and in tropical regions and transmitted to humans through feces-contaminated fresh water or snails: symptoms commonly include pain, anemia, and malfunction of the infected organ.
- scsi controller — SCSI adaptor
- seaside sparrow — a species of sparrow, Ammospiza maritima, existing in two subspecies, one (Cape Sable seaside sparrow) having dark olive-drab plumage with a lighter breast and underbelly, and the other (dusky seaside sparrow) having bold black and white markings on the breast and underbelly: the dusky seaside sparrow is almost extinct.
- second blessing — an experience of sanctification coming after conversion.
- second division — the half of a league comprising the teams having the poorest records at a particular time.
- second position — a position in which the feet are spread apart and are at right angles to the direction of the body, the toes pointing out.
- self-consistent — consistent with oneself or itself.
- self-expression — the expression or assertion of one's own personality, as in conversation, behavior, poetry, or painting.
- self-expressive — the expression or assertion of one's own personality, as in conversation, behavior, poetry, or painting.
- self-oppression — the feeling of being heavily burdened, mentally or physically, by troubles, adverse conditions, anxiety, etc.
- self-persuasion — the act of persuading or seeking to persuade.
- self-possession — the quality of being self-possessed; control of one's feelings, behavior, etc.; composure; poise.
- self-propulsion — propulsion by a vehicle's own engine, motor, or the like.
- self-subsisting — to exist; continue in existence.
- self-subversive — Also, subversionary [suh b-vur-zhuh-ner-ee, -shuh-] /səbˈvɜr ʒəˌnɛr i, -ʃə-/ (Show IPA). tending or intending to subvert or overthrow, destroy, or undermine an established or existing system, especially a legally constituted government or a set of beliefs.
- seminal vesicle — either of two small saclike glands, located on each side of the bladder in males, that add nutrient fluid to semen during ejaculation.
- semisubmersible — Also called semisubmersible rig. a self-propelled barge that is mounted on partially submerged legs supported by underwater pontoons, rides at anchor, and serves as a work base and living quarters in deep offshore drilling operations.
- sensitive plant — Also called humble plant. a tropical American plant, Mimosa pudica, cultivated in greenhouses, having bipinnate leaves whose leaflets fold together when touched.
- sensitizing dye — a dye adsorbed onto the silver halide grains of an emulsion to make the emulsion more sensitive to certain colors.
- shock resistant — not affected by impact
- shock-resistant — strong or resilient enough to sustain minor impacts without damage to the internal mechanism: a shock-resistant watch.
- siberian squill — a bulbous, Eurasian plant, Scilla siberica, of the lily family, having nodding, deep blue flowers.
- sibling rivalry — the feeling of competitiveness that often exists between brothers and sisters