10-letter words containing s, o, r, t, a
- inspirator — An inspirer, one that inspires.
- instigator — to cause by incitement; foment: to instigate a quarrel.
- insulators — Plural form of insulator.
- interposal — (dated) interposure.
- irish boat — a small fishing boat used in the Boston area in the late 19th century, derived from an Irish model and having a cutter rig.
- ironmaster — the master of a foundry or ironworks; a manufacturer of iron.
- irrigators — Plural form of irrigator.
- iso rating — a classification of film speed in which a doubling of the ISO number represents a doubling in sensitivity; for example, ISO 400 film requires half the exposure of ISO 200 under the same conditions. The system uses identical numbers to the obsolete ASA rating
- isolateral — Having similar upper and lower (or front and back) surfaces.
- isothermal — occurring at constant temperature.
- iterations — the act of repeating; a repetition.
- jack frost — frost or freezing cold personified.
- jockstraps — Plural form of jockstrap.
- journalist — a person who practices the occupation or profession of journalism.
- karyotypes — Plural form of karyotype.
- keratinous — composed of or resembling keratin; horny.
- kramatorsk — a city in E Ukraine, in the Donets Basin.
- kronshtadt — city & naval fortress on an island in NW Russia, on the Gulf of Finland: pop. 45,000
- lactosuria — the presence of lactose in the urine
- lakefronts — Plural form of lakefront.
- lanosterol — a sterol, C 30 H 50 O, formed from squalene epoxide, that is a precursor in the biosynthesis of cholesterol and is a component of lanolin.
- late hours — rising and going to bed later than is usual
- latecomers — Plural form of latecomer.
- lattermost — latest; last.
- lavatories — Plural form of lavatory.
- law courts — a body which adjudicates legal disputes and attempts to administer justice in accordance with the law
- lazarettos — Plural form of lazaretto.
- lead story — the principal story in a newspaper
- legislator — a person who gives or makes laws.
- leptospira — any of several spirally shaped, aerobic bacteria of the genus Leptospira, certain species of which are pathogenic for human beings.
- liberators — a four-engined heavy bomber widely used over Europe and the Mediterranean by the U.S. Army Air Force in World War II. Symbol: B-24.
- litigators — Plural form of litigator.
- loadmaster — an aircrew member responsible for the loading and stowage of cargo aboard an aircraft.
- lobsterman — a person who traps lobsters.
- lockmaster — one in charge of a canal lock
- logansport — a city in N Indiana, on the Wabash River.
- logarithms — Plural form of logarithm.
- loremaster — (chiefly, fantasy) A wise person with knowledge of history, genealogy and ancient poetry and possibly magic as well.
- lose heart — to become despondent or disillusioned (over something)
- lose track — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
- loss ratio — the ratio of the losses paid or accrued by an insurer to premiums earned, usually for a period of one year.
- lower mast — the lowermost spar of a compound mast, stepped in the hull of a vessel and carrying a topmast and any other upper spars.
- lustration — to purify by a propitiatory offering or other ceremonial method.
- macroburst — (meteorology) A strong downdraft, of over 2.5 miles in diameter, that can cause damaging winds.
- macrocytes — Plural form of macrocyte.
- maelstroms — Plural form of maelstrom.
- magnetrons — Plural form of magnetron.
- main store — main memory
- major suit — hearts or spades, especially with reference to their higher point values.
- majorettes — Plural form of majorette.