15-letter words containing f, a, i, l, e, t
- 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.
- free-tailed bat — any of various small, swift, insect-eating bats of the family Molossidae, common in warm climates, having thick, leathery ears and a tail that projects well beyond the tail membrane.
- friar's lantern — ignis fatuus (def 1).
- fringe festival — an unofficial, often unconventional, arts festival that is associated with another, larger festival
- functionalities — of or relating to a function or functions: functional difficulties in the administration.
- fundamentalists — Plural form of fundamentalist.
- funeral oration — a formal speech delivered at a funeral
- fusospirochetal — Relating to fusospirochetes.
- gaelic football — an Irish game played with 15 players on each side and goals resembling rugby posts with a net on the bottom part. Players are allowed to kick, punch, and bounce the ball and attempt to get it over the bar or in the net
- genetic fallacy — the fallacy of confusing questions of validity and logical order with questions of origin and temporal order.
- get out of jail — to get out of a difficult situation
- 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
- grade inflation — the awarding of higher grades than students deserve either to maintain a school's academic reputation or as a result of diminished teacher expectations.
- half wellington — a loose boot extending to just above the ankle and usually worn under the trousers.
- health benefits — positive effects on health
- hyperfunctional — of or relating to a function or functions: functional difficulties in the administration.
- identifiability — to recognize or establish as being a particular person or thing; verify the identity of: to identify handwriting; to identify the bearer of a check.
- indefeasibility — The state or quality of being indefeasible, of being incapable of being defeated.
- ineffaceability — Quality of being ineffaceable.
- ineffectualness — Inefficacy.
- 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
- infeasible path — dead code
- inferior planet — either of the two planets whose orbits are inside the orbit of the earth: Venus and Mercury.
- infinite baffle — a loudspeaker enclosure that totally separates sound emanating from the rear of the speaker cone from sound emanating in front, so as to prevent mutual interference.
- infinitesimally — indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
- inflation rider — An inflation rider is a rider that can be added to a long-term care insurance plan that adjusts the benefits over time to allow for inflation.
- intake manifold — a collection of tubes through which the fuel-air mixture flows from the carburetor or fuel injector to the intake valves of the cylinders of an internal-combustion engine.
- inter-fraternal — of or befitting a brother or brothers; brotherly.
- interfascicular — pertaining to or forming a fascicle; fasciculate.
- interfoliaceous — situated between leaves, especially opposite leaves.
- irreformability — the state or condition of being irreformable
- irrefragability — How irrefragable something is.
- irvine dataflow — (language) (Always called "Id") A non-strict, single assignment language and incremental compiler developed by Arvind and Gostelow and used on MIT's Tagged-Token Dataflow Architecture and planned to be used on Motorola's Monsoon. See also Id Nouveau.
- justifiableness — Justifiability.
- latensification — (in photography) the process of intensifying a latent image by the use of chemicals, extra exposure to light, or other means
- latent function — any function of an institution or other social phenomenon that is unintentional and often unrecognized.
- lateral fissure — the fissure separating the frontal, temporal, and parietal lobes of the cerebrum.
- law of identity — the law that any proposition implies itself.
- leadwort family — the plant family Plumbaginaceae, characterized by shrubs and herbaceous plants of seacoasts and semiarid regions, having basal or alternate leaves, spikelike clusters of tubular flowers, and dry, one-seeded fruit, and including leadwort, sea lavender, statice, and thrift.
- least killifish — a fish, Heterandria formosa, of coastal swamps from South Carolina to Florida, that feeds on mosquito larvae.
- leave the field — to back out of a competition, contest, etc
- left-hand drive — A left-hand drive vehicle has the steering wheel on the left side, and is designed to be used in countries where people drive on the right-hand side of the road.
- lichenification — a leathery hardening of the skin, usually caused by chronic irritation.
- lie of the land — the topography of the land
- life expectancy — the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation.
- linear function — linear transformation.
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)
- low pass filter — (electronics, graphics) A filter that attenuates high frequency components of a signal. In image processing, a low pass filter might be used to remove noise from an image.