15-letter words containing f, i
- joint favourite — one of two or more competitors in a race or contest that are considered equally likely to win
- joint financing — the provision of funds for a project, etc, from two or more sources
- justifiableness — Justifiability.
- keep faith with — If you keep faith with someone you have made a promise to or something you believe in, you continue to support them even when it is difficult to do so.
- kidasa software — (company) A company which develops project management software for Microsoft Windows.
- kingdom of ends — (in Kantian ethics) a metaphorical realm to which belong those persons acting and being acted upon in accordance with moral law.
- kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
- kirchhoff's law — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- knife-sharpener — a kitchen implement that is used to sharpen knives
- 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
- 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.
- latino-faliscan — a group of early Italic languages, including Latin and Faliscan.
- law of identity — the law that any proposition implies itself.
- lay a finger on — to harm
- 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.
- 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 outer join — outer join
- 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.
- legion of honor — a French order of distinction instituted in 1802 by Napoleon with membership being granted for meritorious civil or military services.
- legion of merit — a decoration ranking below the Silver Star and above the Distinguished Flying Cross, awarded to U.S. and foreign military personnel for exceptionally meritorious conduct in the performance of outstanding services to the U.S.
- liaison officer — a person who liaises between groups or units
- 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.
- life membership — the fact or condition of being a life member
- lifestyle block — a semi-rural property comprising a house and land for small-scale farming
- lift-drag ratio — the ratio of the lift to the drag of an airfoil.
- light flyweight — an amateur boxer weighing not more than 48 kg (106 pounds)
- limiting factor — Physiology. the slowest, therefore rate-limiting, step in a process or reaction involving several steps.
- line of apsides — a line joining the lower and higher apsides, forming the major axis of the orbit
- line of descent — someone's line of descent is all the people they are descended from
- linear function — linear transformation.
- linear manifold — subspace (def 2b).
- linguistic form — any meaningful unit of speech, as a sentence, phrase, word, morpheme, or suffix.
- liquid paraffin — a colourless almost tasteless oily liquid obtained by petroleum distillation and used as a laxative
- liver of sulfur — sulfurated potash.
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)
- loft conversion — an extra room added to a house by converting the roof space
- 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.
- 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
- magnesioferrite — (mineralogy) A magnesium iron oxide mineral, a member of the magnetite series of spinels, which forms black metallic octahedral crystals.