19-letter words containing a, t, n, s
- 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?”.
- rhythmic gymnastics — a form of gymnastics involving movements using hand apparatus such as balls, hoops, and ribbons
- royal correspondent — a journalist who reports on matters relating to royalty
- sackcloth and ashes — a public display of extreme grief, remorse, or repentance
- sacramento sturgeon — white sturgeon.
- saint luke's summer — a period of unusually warm weather in the autumn
- saint patrick's day — March 17, observed by the Irish in honor of St. Patrick, the patron saint of Ireland.
- 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
- saint swithin's day — July 15, superstitiously regarded as a day that, should it rain or be fair, will be followed by 40 consecutive days of like weather.
- saint vitus's dance — chorea (def 2).
- 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 clemente island — an island off the coast of S California, in the Santa Barbara (Channel) Islands. 24 miles (38 km) long.
- 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.
- santa rosa de copan — a town in W Honduras: site of extensive Mayan ruins.
- 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
- savings certificate — a certificate of deposit for a specific sum of money in a savings account, especially a deposit for a fixed term at a specified interest rate.
- scare the pants off — to scare extremely
- 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.
- seasonal adjustment — an adjustment that removes the seasonal component of statistics
- 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 structure — the arrangement of a polypeptide into a regular alpha helix, beta structure, or random coil configuration by the formation of intramolecular hydrogen bonds along the length of the chain.
- secondary-intention — an act or instance of determining mentally upon some action or result.
- segmentation cavity — blastocoel.
- 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-aggrandizement — increase of one's own power, wealth, etc., usually aggressively.
- 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-congratulatory — 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-representation — the act of representing.
- self-transformation — the act or process of transforming.
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.