19-letter words containing i, n, s, t, o
- resorcinolphthalein — fluorescein.
- respiratory pigment — any of several colored protein substances, as hemoglobin and hemocyanin, in the circulatory system of animals and some plants, that combine reversibly with oxygen that is carried to the tissues
- restriction enzymes — any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.
- reversible reaction — a reaction that, depending on ambient conditions, can proceed in either of two directions: the production of the reaction products from the reactants, or the production of the original reactants from the formed reaction products. Compare equilibrium (def 4).
- rhetorical question — a question asked solely to produce an effect or to make an assertion and not to elicit a reply, as “What is so rare as a day in June?”.
- saint simon zelotes — one of the 12 apostles, who had probably belonged to the Zealot party before becoming a Christian (Luke 6:15). Owing to a misinterpretation of two similar Aramaic words he is also, but mistakenly, called the Canaanite (Matthew 10:4). Feast day: Oct 28 or May 10
- samoa standard time — a standard time used in the zone which includes American Samoa, corresponding to the mean solar time of the 165th meridian west of Greenwich, England: it is eleven hours behind Greenwich time
- san juan capistrano — a city in SW California: site of old Spanish mission; known for annual return of swallows, said to occur on March 19.
- sandwich generation — the generation of people still raising their children while having to care for their aging parents.
- sanitary protection — Sanitary protection is sanitary towels or tampons.
- santiago del estero — a city in N Argentina.
- satellite telephone — a type of mobile phone that connects to orbiting artificial satellites rather than terrestrial cell sites
- saturation coverage — news coverage (of an event, etc) that is very thorough in order not to miss any details
- scattersite housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
- scientific notation — a method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power, as 1385.62 written as 1.386 × 10 3 .
- screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
- sea of tranquillity — Astronomy. Mare Tranquillitatis.
- seat belt tensioner — A seat belt tensioner is a device in a vehicle that pulls a seat belt tight if there is a sudden movement or stop.
- secondary dentition — the permanent dentition
- secondary education — education at high-school level
- secondary infection — an infection resulting from another infection
- secondary intention — See under intention (def 5b).
- secondary picketing — the picketing by strikers of a place of work that supplies goods to or distributes goods from their employer
- secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- secondary-intention — an act or instance of determining mentally upon some action or result.
- segmentation cavity — blastocoel.
- selection committee — panel who appoint sb to a post
- selective attention — mental focus on sth in particular
- self identification — identification of oneself with some other person or thing.
- self-administration — the management of any office, business, or organization; direction.
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- self-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
- self-levelling foot — (on furniture, washing-machines, etc) a foot that adjusts to let the item in question stand in a steady position
- self-reconstruction — an act of reconstructing.
- self-representation — the act of representing.
- self-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- self-transformation — the act or process of transforming.
- sell down the river — a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels.
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- seminiferous tubule — any of the coiled tubules of the testis in which spermatozoa are produced.
- senatorial courtesy — the practice in the U.S. Senate of confirming only those presidential appointees approved by both senators from the state of the appointee, or by the senior senator of the president's party.
- senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
- sense of proportion — If someone has a sense of proportion, they know what is really important and what is not.
- sensitometric curve — characteristic curve.
- sensory deprivation — the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.