12-letter words containing f, u, l, s
- fluoroscopes — Plural form of fluoroscope.
- fluoroscopic — of or relating to the fluoroscope or fluoroscopy.
- fluosilicate — a salt of fluosilicic acid.
- flush-decked — having a weather deck flush with the hull.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flutterballs — Plural form of flutterball.
- flux density — the magnetic, radiant, or electric flux per unit of cross-sectional area.
- flying mouse — pygmy glider.
- flying squad — a trained, mobile group of police officers, business executives, labor officials, or the like, capable of performing specialized tasks whenever or wherever sent, often for use in emergencies.
- focus puller — the member of a camera crew who adjusts the focus of the lens as the camera is tracked in or out
- folliculitis — inflammation of hair follicles.
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- foreclosures — Plural form of foreclosure.
- forepleasure — the aggregate of pleasurable sensations that lead to a heightened physical or emotional response, as of those aroused in sexual intercourse that lead to an orgasm.
- foresightful — care or provision for the future; provident care; prudence.
- formal cause — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
- formularizes — Third-person singular simple present indicative form of formularize.
- formulations — Plural form of formulation.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- fortuitously — In a fortuitous manner.
- fosbury flop — a modern high-jumping technique whereby the jumper clears the bar headfirst and backwards
- fossil fuels — any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life.
- foul-tasting — having a very unpleasant taste
- four-flusher — a person who makes false or pretentious claims; bluffer.
- fourfoldness — the quality of consisting of four parts
- fourth-class — of, relating to, or designated as a class next below third, as for mailing, shipping, etc.
- fox squirrel — any of several North American arboreal squirrels varying in color and of an exceptionally large size.
- fruitfulness — producing good results; beneficial; profitable: fruitful investigations.
- frustratedly — In a frustrated manner.
- fujita scale — a scale for expressing the intensity of a tornado, ranging from F0 (light damage) to F5 (incredible damage)
- fulfillments — Plural form of fulfillment.
- fuliginosity — The condition or quality of being fuliginous; sootiness.
- fuliginously — In a fuliginous manner.
- full-service — offering or providing a wide range of services related to the basic line of business, as when a filling station changes tires or makes car repairs in addition to selling gasoline.
- fulminations — Plural form of fulmination.
- fulton sheen — Fulton (John) 1895–1979, U.S. Roman Catholic clergyman, writer, and teacher.
- funambulists — Plural form of funambulist.
- functionless — Lacking a function.
- fundamentals — serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles; the fundamental structure.
- furunculosis — the condition characterized by the presence of boils.
- fused silica — glass made entirely from silica, having a very low rate of thermal expansion.
- futurologist — (sometimes initial capital letter) a follower of futurism, especially an artist or writer.
- galeniferous — Of a mineral or deposit that contains galena.
- glandiferous — bearing nuts or acorns
- gracefullest — Superlative form of graceful.
- gracefulness — The state of being graceful.
- gratefulness — warmly or deeply appreciative of kindness or benefits received; thankful: I am grateful to you for your help.
- griseofulvin — an antibiotic, C 17 H 17 ClO 6 , obtained from a species of Penicillium, used in the treatment of ringworm and other fungous infections of the skin.
- guide fossil — index fossil.