16-letter words containing f, a, m
- fermat's theorem — the theorem that an integer raised to a prime power leaves the same remainder as the integer itself when divided by the prime.
- fertile material — material which can be converted into a fissile material by a neutron-induced nuclear reaction, as uranium-238 or thorium-232
- fibonacci number — a number in the Fibonacci sequence, each of which is the sum of the previous two
- finance minister — a member of a government in charge of the financial affairs of a state etc
- finite automaton — Finite State Machine
- firewall machine — (networking, security) A dedicated gateway server with special security precautions on it, used to service external connections (typically from the public Internet). The firewall machine protects servers and networks hidden behind it from crackers. The typical firewall is an inexpensive microprocessor-based Unix machine with no critical data, with public network ports on it, but just one carefully watched connection back to the rest of the cluster. The special precautions may include threat monitoring, call-back, and even a complete iron box keyable to particular incoming IDs or activity patterns. The type of network and security environment of a firewall machine is often called a De-Militarised Zone (DMZ). It may contain other servers such as e-mail servers or proxy gateways - machines that need to be publicly accessible but also need some access to internal systems. Also known as a (Venus) flytrap after the insect-eating plant.
- fisherman's bend — a knot made by taking a round turn on the object to which the rope is to be fastened, passing the end of the rope around the standing part and under the round turn, and securing the end.
- fisherman's knot — a knot for joining two ropes of equal thickness consisting of an overhand knot or double overhand knot by each rope round the other, so that the two knots jam when pulled tight
- fisherman's ring — the signet ring worn by the pope.
- flamborough head — a chalk promontory in NE England, on the coast of the East Riding of Yorkshire
- flame cultivator — an implement that kills weeds by scorching them with a directed flow of flaming gas.
- flash eliminator — a device fitted to the muzzle of a firearm to reduce the flash made by the ignited propellant gases
- flashbulb memory — the clear recollections that a person may have of the circumstances associated with a dramatic event
- flat-felled seam — a seam on the face of a garment, as on the outside of the legs of blue jeans, made by overlapping or interlocking one seam allowance with the other and top-stitching them together onto the garment with two parallel rows of stitches.
- flight formation — an arrangement of two or more airplanes flying together in a group, usually in a predetermined pattern.
- flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
- fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube.
- flying ambulance — an aircraft used to take sick or injured people to hospital
- flynn's taxonomy — (architecture) A classification of computer architectures based on the number of streams of instructions and data: Multiple instruction/single data stream (MISD) - unusual.
- follow-my-leader — a game in which the players must repeat the actions of the leader
- for a/one minute — If you say that you do not believe for a minute or for one minute that something is true, you are emphasizing that you do not believe that it is true.
- for a/one moment — If you say that you do not believe for a moment or for one moment that something is true, you are emphasizing that you do not believe that it could possibly be true.
- for good measure — a unit or standard of measurement: weights and measures.
- for the meantime — For the meantime means for a period of time from now until something else happens.
- formation flying — a formal arrangement of flying aircraft acting as a unit
- formation packer — A formation packer is a substance that is used as a seal between the casing and the borehole so that part of the hole can be tested.
- fort sam houston — a military reservation and U.S. Army training center in San Antonio, Tex.
- fortin barometer — an adjustable cistern barometer, the most common of those employing mercury.
- four-course meal — A four-course meal is a meal that consists of four parts served one after the other.
- four-dimensional — of a space having points, or a set having elements, which require four coordinates for their unique determination.
- four-masted brig — jackass bark (def 2).
- fourth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
- franking machine — a machine that franks letters
- frederic mistral — Frédéric [frey-dey-reek] /freɪ deɪˈrik/ (Show IPA), 1830–1914, French Provençal poet: Nobel prize 1904.
- freight terminal — (on a rail network) a place where freight is stored while awaiting onward transport
- french cameroons — Cameroun (def 2).
- french ice cream — a type of ice cream in which an egg and cream mixture is cooked to a light custard before being frozen.
- frigate mackerel — a small, blue-green, black-striped fish, Auxis thazard, abundant in tropical seas, having dark, oily flesh that is sometimes used as food.
- from one's heart — very sincerely or deeply
- frontal lobotomy — Surgery. a psychosurgical procedure in which the frontal lobes are separated from the rest of the brain by cutting the connecting nerve fibers.
- full steam ahead — If something such as a plan or a project goes full steam ahead, it progresses quickly.
- fund supermarket — an online facility offering discounted investment opportunities and advice
- fundamental bass — a bass consisting of the roots of the chords employed.
- fundamental star — one of a number of stars with positions that have been determined accurately and that are used as reference stars for the determination of positions of other celestial objects.
- fundamental unit — one of a set of unrelated units that form the basis of a system of units. For example, the metre, kilogram, and second are fundamental units of the SI system
- fundamentalistic — Fundamentalist.
- general factotum — a person who does all sorts of jobs; general assistant
- gentleman friend — a man with whom a woman is romantically involved; suitor.
- gentleman-farmer — a man whose wealth or income from other sources permits him to farm for pleasure rather than for basic income.
- goosefoot family — formerly, the plant family Chenopodiaceae, characterized by often weedy herbaceous plants and shrubs having simple, usually alternate leaves, small and inconspicuous flowers, and tiny, dry fruit, and including the beet, glasswort, goosefoot, Russian thistle, saltbush, and spinach; now part of the amaranth family, Amaranthaceae.