15-letter words containing f, r, i, d, l
- fluoridationist — One who supports the addition of fluoride to the public water supply.
- 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.
- for good or ill — If you say that something is happening or will happen for good or ill, you mean that it is out of anyone's control whether it happens and what its effects will be.
- formation fluid — Formation fluid is fluid in the pores (=tiny holes) of a rock.
- forward-looking — planning for or anticipating possible future events, conditions, etc.; progressive.
- 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.
- french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
- 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.
- frisian islands — a chain of islands in the North Sea along the coasts of the Netherlands, Germany, and Denmark: separated from the mainland by shallows
- gale-force wind — a wind of force seven to ten on the Beaufort scale or from 45 to 90 kilometres per hour
- 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.
- greenfield park — a town in S Quebec, in E Canada, near Montreal.
- greenfield site — a site located in a rural area which has not previously been built on
- half-round file — a file having a semicircular cross-section
- 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 traffic — increased road traffic during holiday periods and public holidays
- hydraulic fluid — a fluid, usually of low viscosity, as oil, used in a hydraulic 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.
- infrared galaxy — a galaxy that radiates strongly in the infrared portion of the electromagnetic spectrum.
- infundibuliform — having the shape of a funnel; funnel-shaped.
- irish wolfhound — one of an Irish breed of large, tall dogs having a rough, wiry coat ranging in color from white to brindle to black.
- 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
- land of promise — Promised 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.
- 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.
- lift-drag ratio — the ratio of the lift to the drag of an airfoil.
- linear manifold — subspace (def 2b).
- liquid paraffin — a colourless almost tasteless oily liquid obtained by petroleum distillation and used as a laxative
- longshore drift — beach drift.
- lord high fixer — [Primarily British, from Gilbert & Sullivan's "Lord High Executioner"] The person in an organisation who knows the most about some aspect of a system. See wizard.
- lord of misrule — (in England) a person formerly chosen to direct the Christmas revels and sports.
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- mail order firm — a company that sells goods by mail order
- medal for merit — a medal awarded by the U.S. to a civilian for distinguished service to the country: discontinued after World War II.
- medical officer — a doctor of medicine who serves in the armed forces in a medical capacity
- michael faraday — Michael, 1791–1867, English physicist and chemist: discoverer of electromagnetic induction.
- nimble-fingered — able to move the fingers agilely, quickly, and neatly
- oil of lavender — an essential oil distilled from lavender flowers, especially Lavandula angustifolia and L. stoechas, and used in perfumery.
- old father time — time personified
- orderly officer — Military. officer of the day, as in the British army or, formerly, in the U.S. Army.
- overconfidently — In an overconfident manner.
- overdraft limit — a limit on the amount of money allowed to be withdrawn in excess of the credit balance of a bank or building society account
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.