15-letter words containing f, a, i, n
- 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
- 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.
- 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.
- 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
- linear function — linear transformation.
- linear manifold — subspace (def 2b).
- liquid paraffin — a colourless almost tasteless oily liquid obtained by petroleum distillation and used as a laxative
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)
- louis of nassau — 1538–74, a leader (1568–74) of the revolt of the Netherlands against Spain: died in battle
- magnesioferrite — (mineralogy) A magnesium iron oxide mineral, a member of the magnetite series of spinels, which forms black metallic octahedral crystals.
- magnolia family — the plant family Magnoliaceae, characterized by evergreen or deciduous trees and shrubs having simple, alternate leaves, often showy flowers with a spiral arrangement of their floral parts, and conelike fruit, and including the cucumber tree, magnolia, tulip tree, and umbrella tree.
- mahogany family — the plant family Meliaceae, characterized by tropical and subtropical trees and shrubs having alternate, pinnate leaves, usually branched clusters of flowers, and fruit in the form of a berry or leathery capsule, and including the chinaberry, cedars of the genus Cedrela, and mahoganies of the genera Swietenia and Khaya.
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- maidenhair fern — any fern of the cosmopolitan genus Adiantum, esp A. capillis-veneris, having delicate fan-shaped fronds with small pale-green leaflets: family Adiantaceae
- make a point of — a sharp or tapering end, as of a dagger.
- make a thing of — to make a fuss about; exaggerate the importance of
- make certain of — to ensure (that one will get something); confirm
- make mention of — allude to
- make nothing of — no thing; not anything; naught: to say nothing.
- malconformation — Imperfect, disproportionate, or abnormal formation; disproportion of parts.
- malpighian tuft — glomerulus (def 2).
- man of his word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- man-made fabric — a type of fabric that is made artificially, such as polyester or rayon, rather than occurring naturally, like cotton or wool
- man-of-war bird — frigate bird.
- man-of-war fish — a small, tropical fish, Nomeus gronovii, that lives among the tentacles of the Portuguese man-of-war.
- margin of error — statistics: variance
- marie de france — flourished 12th century, French poet in England.
- metainformation — metadata
- mezzanine floor — intermediate level in a building
- microfiltration — Filtration through a microporous membrane.
- milk of almonds — almond milk.
- mis-informative — to give false or misleading information to.
- moccasin flower — the lady's-slipper.
- molecular knife — a segment of genetic material that inhibits the reproduction of the AIDS virus by breaking up specific areas of the virus's genes.
- moreton bay fig — a large Australian fig tree, Ficus macrophylla, having glossy leaves and smooth bark
- multifunctional — of or relating to a function or functions: functional difficulties in the administration.
- nanofabrication — the design and manufacture of products and structures, especially electronic devices, with dimensions measured in nanometers.
- narcotrafficker — One who traffics in illegal narcotics.
- 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.
- negative profit — a financial loss
- neurofibrillary — Of or pertaining to a neurofibril.
- newtonian fluid — any fluid exhibiting a linear relation between the applied shear stress and the rate of deformation.