13-letter words containing a, t, f, r
- fractionalism — the state of being separate or inharmonious
- fractionalist — an advocate or supporter of fractionalism
- fractionalize — Divide (someone or something) into separate groups or parts.
- fractionating — Present participle of fractionate.
- fractionation — the act or process of fractionating.
- fractiousness — refractory or unruly: a fractious animal that would not submit to the harness.
- fractocumulus — low ragged slightly bulbous cloud, often appearing below nimbostratus clouds during rain
- fractostratus — low ragged layered cloud often appearing below nimbostratus clouds during rain
- fracture zone — a long, narrow rift on the ocean floor, separating areas of differing depth: where such a zone crosses a mid-ocean ridge, it displaces the ridge by faulting.
- fragmentarily — consisting of or reduced to fragments; broken; disconnected; incomplete: fragmentary evidence; fragmentary remains.
- fragmentation — the act or process of fragmenting; state of being fragmented.
- frame pointer — A pointer to the current activation record in an implementation of a block structured language.
- franche-comte — a former province in E France: once a part of Burgundy.
- franchisement — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- frank whittle — Sir Frank, 1907–96, English engineer and inventor.
- frankenthaler — Helen, 1928–2011, U.S. painter.
- franklin tree — a deciduous tree, Franklinia alatamaha, having large, white, fragrant flowers, one of the rarest trees in the world, once native only to Georgia and now known only in cultivation.
- free enthalpy — a thermodynamic property of a system equal to the difference between its enthalpy and the product of its temperature and its entropy. It is usually measured in joules
- free software — (software) Software that everyone is free to copy, redistribute and modify. That implies free software must be available as source code, hence "free open source software" - "FOSS". It is usually also free of charge, though anyone can sell free software so long as they don't impose any new restrictions on its redistribution or use. The widespread acceptance of this definition and free software itself owes a great deal to Richard Stallman and the Free Software Foundation. There are many other kinds of "free software" in the sense of "free of charge". See "-ware".
- free-floating — (of an emotional state) lacking an apparent cause, focus, or object; generalized: free-floating hostility.
- free-standing — A free-standing piece of furniture or other object is not fixed to anything, or stands on its own away from other things.
- freight agent — a representative of a common carrier who manages the freight business in a local district.
- freight plane — an aeroplane used to transport goods
- freight train — a train of freight cars.
- french pastry — fine, rich, or fancy dessert pastry, especially made from puff paste and filled with cream or fruit preparations.
- frequentation — the practice of frequenting; habit of visiting often.
- frequentative — noting or pertaining to a verb aspect expressing repetition of an action.
- friction head — (in a hydraulic system) the part of a head of water or of another liquid that represents the energy that the system dissipates through friction with the sides of conduits or channels and through heating from turbulent flow.
- friction tape — a cloth or plastic adhesive tape, containing a moisture-resistant substance, used especially to insulate and protect electrical wires and conductors.
- fridge magnet — a small flat decorative object with a magnet on its back which is used to attach it to the front door of a fridge or other domestic appliance
- frighten away — cause sb/sth to run away
- front-loading — Also, front-loaded. front-loading (def 1).
- frontage road — a local road that runs parallel to an expressway, providing access to roadside stores and businesses; a service road.
- frontal gyrus — any of several convolutions on the outer surface of the frontal lobe of the cerebrum.
- frontopalatal — articulated with the portion of the tongue that is just behind the tip touching or near the alveolar ridge and hard palate, as ( (ʃ) ; sh) ) and (; ʒ) ; zh) )
- frosted glass — etched glass with a translucent surface
- frozen assets — business assets that are not convertible into cash, as by government direction or business conditions
- frozen wastes — vast parts of land covered by snow and ice and usually uninhabited by people
- fruit farming — the practice of growing or farming fruit
- fruit machine — gambling: slot machine
- frumentaceous — of the nature of or resembling wheat or other grain.
- frumentarious — of or relating to wheat or a similar grain
- frustratingly — to make (plans, efforts, etc.) worthless or of no avail; defeat; nullify: The student's indifference frustrated the teacher's efforts to help him.
- fuerteventura — a Spanish island off the NW coast of Africa, one of the Canary Islands. 641 sq. mi. (1660 sq. km).
- fulbright act — an act of Congress (1946) by which funds derived chiefly from the sale of U.S. surplus property abroad are made available to U.S. citizens for study, research, and teaching in foreign countries as well as to foreigners to engage in similar activities in the U.S.
- full-throated — A full-throated sound coming from someone's mouth, such as a shout or a laugh, is very loud.
- funambulatory — relating to tightrope-walking
- functionaries — Plural form of functionary.
- furniture van — a van designed to move the furniture of a house, office, etc, to another place
- fusarium wilt — a disease of plants, characterized by damping-off, wilting, and a brown dry rot, caused by fungi of the genus Fusarium.