15-letter words containing a, f, l, s
- ineffectualness — Inefficacy.
- inefficaciously — Without efficacy or effect.
- 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
- infants' school — kindergarten.
- infeasible path — dead code
- infinitesimally — indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
- inflammableness — The quality of being inflammable.
- infrastructural — the basic, underlying framework or features of a system or organization.
- insignificantly — Of such extremely small quantity or degree that it is not worth measuring.
- interfascicular — pertaining to or forming a fascicle; fasciculate.
- interfoliaceous — situated between leaves, especially opposite leaves.
- intrafascicular — between the xylem and phloem elements of a vascular bundle
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- justifiableness — Justifiability.
- kaffeeklatscher — a person who participates, especially regularly, in a kaffee klatsch.
- kaffeeklatsches — Plural form of kaffeeklatsch.
- kirchhoff's law — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- land of promise — Promised Land.
- latensification — (in photography) the process of intensifying a latent image by the use of chemicals, extra exposure to light, or other means
- lateral fissure — the fissure separating the frontal, temporal, and parietal lobes of the cerebrum.
- latino-faliscan — a group of early Italic languages, including Latin and Faliscan.
- 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.
- lay oneself out — to put or place in a horizontal position or position of rest; set down: to lay a book on a desk.
- least killifish — a fish, Heterandria formosa, of coastal swamps from South Carolina to Florida, that feeds on mosquito larvae.
- leaves of grass — a book of poems (first edition, 1855; final edition, 1891–92) by Walt Whitman.
- legacy software — legacy system
- liaison officer — a person who liaises between groups or units
- line of apsides — a line joining the lower and higher apsides, forming the major axis of the orbit
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)
- long-sufferance — long-suffering.
- louis of nassau — 1538–74, a leader (1568–74) of the revolt of the Netherlands against Spain: died in battle
- 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.
- low-pass filter — a filter that transmits all frequencies below a specified value, substantially attenuating frequencies above this value
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- menomonee falls — a city in SE Wisconsin, NW of Milwaukee.
- milk of almonds — almond milk.
- moccasin flower — the lady's-slipper.
- multiflora rose — a climbing or trailing rose, Rosa multiflora, of Japan and Korea, having hooked prickles and fragrant, dense clusters of flowers.
- multiphase flow — Multiphase flow is a type of flow that involves more than one fluid, for example a liquid and a gas, or two liquids that do not mix.
- multnomah falls — a waterfall on Multnomah Creek in NW Oregon, E of Portland. 611 feet (186 meters) high.
- myofibroblastic — Relating to myofibroblasts.
- nation of islam — an organization composed chiefly of African Americans, advocating the teachings of Islam and originally favoring the separation of black and white racial groups in the United States: members are known as Black Muslims.
- national forest — forested land owned, maintained, and preserved by the U.S. government.
- neat's-foot oil — a pale-yellow fixed oil made by boiling the feet and shinbones of cattle, used chiefly as a dressing for leather.
- non-falsifiable — to make false or incorrect, especially so as to deceive: to falsify income-tax reports.
- non-feasibility — capable of being done, effected, or accomplished: a feasible plan.
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonsaponifiable — not capable of being saponified