18-letter words containing f, r, a, c, t, l
- acadian flycatcher — a small, greenish tyrant flycatcher (Empidonax virescens) found in deciduous forests of E North America
- african tulip tree — a tropical African evergreen tree, Spathodea campaulata, with pinnate leaves, split pods, winged seeds, and large red flowers.
- airman first class — the third lowest enlisted rank in the US Air Force, above airman and below senior airman
- algebraic function — any function which can be constructed in a finite number of steps from the elementary operations and the inverses of any function already constructed
- antifriction alloy — a metallic alloy, as Babbitt metal or bearing bronze, having antifriction qualities.
- arsenic trisulfide — a yellow or red crystalline substance, As 2 S 3 , occurring in nature as the mineral orpiment, and used as a pigment (king's yellow) and in pyrotechnics.
- artificial gravity — a simulated gravity or sensation of weight established within a spacecraft by means of the craft's rotation, acceleration, or deceleration.
- artificial horizon — an aircraft instrument, using a gyroscope, that indicates the aircraft's attitude in relation to the horizontal
- artificial reality — virtual reality.
- battle of clontarf — a battle fought in 1014, near Dublin, in the Republic of Ireland, in which the Danes were defeated by the Irish but the Irish king, Brian Boru, was killed
- blackwater rafting — the sport of riding through underground caves on a large rubber tube
- board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
- branch to fishkill — (IBM: from the location of one of the corporation's facilities) Any unexpected jump in a program that produces catastrophic or just plain weird results. See jump off into never-never land, hyperspace.
- california current — a cold current originating in the northern part of the Pacific Ocean, flowing SE along the coast of W North America.
- cartilaginous fish — any fish of the class Chondrichthyes, including the sharks, skates, and rays, having a skeleton composed entirely of cartilage
- centrifugal clutch — an automatic clutch in which the friction surfaces are engaged by weighted levers acting under centrifugal force at a certain speed of rotation
- cereal leaf beetle — an Old World leaf beetle, Oulema melanopus, introduced into North America in 1962: a serious pest of small grains, especially oats and cereal grasses.
- church of scotland — the established church in Scotland, Calvinist in doctrine and Presbyterian in constitution
- crested flycatcher — any of various tyrant flycatchers (esp. genus Myiarchus) with a prominent crest
- crude oil fraction — A crude oil fraction is a component of crude oil, which has its own particular molecular composition, weight, and boiling point.
- cultural diffusion — act of diffusing; state of being diffused.
- curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
- dead-letter office — an office where undeliverable letters were taken for storage
- declaration of war — a formal statement made by one country to another that a state of war now exists between them
- defense calculator — IBM 701
- eleanor of castile — 1246–90, Spanish wife of Edward I of England. Eleanor Crosses were erected at each place at which her body rested between Nottingham, where she died, and London, where she is buried
- electrical failure — an instance when an electricity supply stops working
- electronic warfare — the military use of electronics to prevent or reduce an enemy's effective use and to protect friendly use of electromagnetic radiation equipment
- farm the long acre — to graze cows on the verge of a road
- fermat's principle — Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
- fettuccine alfredo — fettuccine in cream sauce with grated Parmesan cheese.
- fibrocartilaginous — a type of cartilage having a large number of fibers.
- first class module — (programming) A module that is a first class data object of the programming language, e.g. a record containing functions. In a functional language, it is standard to have first class programs, so program building blocks can have the same status.
- flat address space — (architecture) The memory architecture in which any memory location can be selected from a single contiguous block by a single integer offset. Almost all popular processors have a flat address space, but the Intel x86 family has a segmented address space. A flat address space greatly simplifies programming because of the simple correspondence between addresses (pointers) and integers.
- forward compatible — forward compatibility
- functional program — (language) A program employing the functional programming approach or written in a functional language.
- grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
- granulated surface — a roughened surface
- handkerchief table — corner table.
- historical fiction — the genre of literature, film, etc., comprising narratives that take place in the past and are characterized chiefly by an imaginative reconstruction of historical events and personages.
- in the first place — firstly
- indefinite article — an article, as English a, an, that denotes class membership of the noun it modifies without particularizing it.
- interface analysis — (testing) A software test which checks the interfaces between program elements for consistency and adherence to predefined rules or axioms.
- jack of all trades — a person who is adept at many different kinds of work.
- jack-of-all-trades — a person who is adept at many different kinds of work.
- lambeth conference — a convention of the bishops of the Anglican communion, held about every 10 years at Lambeth Palace to confer but not to define doctrine or to legislate on ecclesiastical matters.
- laugh out of court — to express mirth, pleasure, derision, or nervousness with an audible, vocal expulsion of air from the lungs that can range from a loud burst of sound to a series of quiet chuckles and is usually accompanied by characteristic facial and bodily movements.
- lean manufacturing — efficiency in the production of goods
- magnetic amplifier — an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.
- may flower compact — an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620.
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