15-letter words containing a, d, o, l, f
- fluorine dating — a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
- fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
- football ground — an area of land where football games are played
- forecastle deck — a partial weather deck on top of a forecastle superstructure; topgallant forecastle.
- forecastle head — the extreme fore part of a forecastle superstructure.
- forehand volley — a type of forehand shot played in tennis
- formation fluid — Formation fluid is fluid in the pores (=tiny holes) of a rock.
- fort lauderdale — a city in SE Florida: seashore resort.
- forward echelon — (in a military operation) the troops and officers in a combat zone or in a position to engage the enemy.
- forward-looking — planning for or anticipating possible future events, conditions, etc.; progressive.
- foundationalism — (epistemology) The doctrine that beliefs derive justification from certain basic beliefs.
- fraternal order — men's organization
- french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
- french togoland — a former United Nations Trust Territory in W Africa, administered by France (1946–60), now the independent republic of Togo
- friedmann model — any model of the universe deduced from a homogeneous, isotropic solution of Einstein's field equations without a cosmological constant. Such models form the mathematical basis for many modern cosmologies and provide for expansion or contraction of the universe.
- fully fashioned — (of stockings, knitwear, etc) shaped and seamed so as to fit closely
- functional food — a food containing additives which provide extra nutritional value
- functional load — the relative frequency of occurrence of words that are differentiated in one and the same position by only one distinctive feature. In English, the opposition of voiced and voiceless th has a low functional load being used only to distinguish such pairs as ether and either, or wreath and wreathe.
- gale-force wind — a wind of force seven to ten on the Beaufort scale or from 45 to 90 kilometres per hour
- gatefold sleeve — a record sleeve that opens out like a book
- goal difference — the number of goals scored by a team minus the number of goals it has conceded
- 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.
- gulf of finland — an arm of the Baltic Sea between Finland, Estonia, and Russia
- half-round file — a file having a semicircular cross-section
- half-understood — partially understood
- heralds' office — the official heraldic authority of Scotland.
- heredo-familial — denoting a condition or disease that may be passed from generation to generation and to several members of one family
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- holiday feeling — the positive feeling people experience while on holiday and during holiday periods such as the Christmas period
- holiday traffic — increased road traffic during holiday periods and public holidays
- hook of holland — a cape and the harbor it forms in the SW Netherlands.
- 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.
- 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.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- judge of appeal — a judge who sits in a Court of Appeal
- land of promise — Promised Land.
- langue de boeuf — ox-tongue partisan.
- law of identity — the law that any proposition implies itself.
- lay of the land — the general state or condition of affairs under consideration; the facts of a situation: We asked a few questions to get the lay of the land.
- 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.
- leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- leaf-footed bug — any of numerous plant-sucking or predaceous bugs of the family Coreidae, typically having leaflike legs: several species are pests of food crops.
- lie of the land — the topography of the land
- lift-drag ratio — the ratio of the lift to the drag of an airfoil.
- line of apsides — a line joining the lower and higher apsides, forming the major axis of the orbit
- linear manifold — subspace (def 2b).
- loaded for bear — any of the plantigrade, carnivorous or omnivorous mammals of the family Ursidae, having massive bodies, coarse heavy fur, relatively short limbs, and almost rudimentary tails.
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)