15-letter words containing f, r, e, s, l
- floor exercises — exercises designed to improve fitness, carried out on the floor
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- floriferousness — Quality of being floriferous, or bearing many flowers.
- flowerhorn fish — a brightly coloured cichlid fish with a large protuberance on the head
- flowering shrub — any shrub that produces flowers
- flowers of zinc — a white or yellowish-white, amorphous, odorless, water-insoluble powder, ZnO, used chiefly as a paint pigment, in cosmetics, dental cements, matches, white printing inks, and opaque glass, and in medicine in the treatment of skin conditions.
- fluorochemicals — Plural form of fluorochemical.
- fluorophosphate — a salt or ester of a fluorophosphoric acid.
- flying buttress — a segmental arch transmitting an outward and downward thrust to a solid buttress that through its inertia transforms the thrust into a vertical one.
- flying fortress — a heavy bomber, the B-17, with four radial piston engines, widely used over Europe and the Mediterranean by the U.S. Air Force in World War II.
- flying squirrel — any of various nocturnal tree squirrels, as Glaucomys volans, of the eastern U.S., having folds of skin connecting the fore and hind legs, permitting long, gliding leaps.
- fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
- forecastle deck — a partial weather deck on top of a forecastle superstructure; topgallant forecastle.
- forecastle head — the extreme fore part of a forecastle superstructure.
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
- franklin square — a town on W Long Island, in SE New York.
- fraternal twins — one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately fertilized ova.
- free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
- fresnel biprism — biprism.
- fresnel mirrors — two plane mirrors so linked that a beam of light falling on them is reflected in slightly different directions, thus producing interference fringes in the area where this reflected light overlaps
- friar's lantern — ignis fatuus (def 1).
- fringe festival — an unofficial, often unconventional, arts festival that is associated with another, larger festival
- frozen shoulder — joint stiffness at top of arm
- fuller's teasel — a Eurasian teasel plant, Dipsacus fullonum, whose prickly flower heads are used for raising the nap on woollen cloth
- funeral service — ceremony at a burial or cremation
- fusospirochetal — Relating to fusospirochetes.
- gesneria family — the plant family Gesneriaceae, characterized by herbaceous plants having a basal rosette of usually toothed leaves, tubular two-lipped flowers, and fruit in the form of a berry or capsule, and including the African violet, gloxinia, and streptocarpus.
- giant sunflower — a composite plant, Helianthus giganteus, of eastern North America, growing nearly 12 feet (4 meters) high and having very large yellow flower heads.
- golden starfish — an award given to a bathing beach that meets EU standards of cleanliness
- greenfield site — a site located in a rural area which has not previously been built on
- half-understood — partially understood
- halfheartedness — The characteristic of being half-hearted.
- heralds' office — the official heraldic authority of Scotland.
- hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
- hundred flowers — the 1957 political campaign in the People's Republic of China to encourage greater freedom of intellectual expression, initiated by Mao Zedong under the slogan “Let a hundred flowers bloom, let a hundred schools of thought contend.”.
- inertial fusion — a type of nuclear fusion in which the inertia of matter enables it to fuse by impact, as by pulses of laser radiation or high-energy charged particles, rather than by high temperature
- interfascicular — pertaining to or forming a fascicle; fasciculate.
- interfoliaceous — situated between leaves, especially opposite leaves.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- kaffeeklatscher — a person who participates, especially regularly, in a kaffee klatsch.
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- land of promise — Promised Land.
- lateral fissure — the fissure separating the frontal, temporal, and parietal lobes of the cerebrum.
- law of averages — a statistical principle formulated by Jakob Bernoulli to show a more or less predictable ratio between the number of random trials of an event and its occurrences.
- leaves of grass — a book of poems (first edition, 1855; final edition, 1891–92) by Walt Whitman.
- legacy software — legacy system
- let yourself go — If you let yourself go, you relax and behave much more freely than usual.
- liaison officer — a person who liaises between groups or units
- life membership — the fact or condition of being a life member