16-letter words containing f, e, r, o, t, i
- electronic flash — Photography
- extrinsic factor — vitamin B12
- face recognition — the ability of a computer to scan, store, and recognize human faces for use in identifying people
- federation wheat — an early-maturing drought-resistant variety of wheat developed by William Farrar in 1902
- feel constrained — If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
- ferroelectricity — (physics) The electric polarization of a substance (spontaneous presence of a dipole moment) that is analagous to ferromagnetism.
- fertility factor — a sex-determining chromosome or gene.
- fertility symbol — an object, esp a phallic symbol, used in fertility-cult ceremonies to symbolize regeneration
- feulgen reaction — a reaction in which an aldehyde combines with a modified Schiff's reagent to produce a purplish compound: used especially to test for the presence of DNA
- fictitious force — any force that is postulated to account for apparent deviations from Newton's laws of motion appearing in an accelerated reference system.
- fifth-generation — denoting developments in computer design to produce machines with artificial intelligence
- filter promotion — (algorithm) In a generate and test algorithm, combining part of the filter with the generator in order to reduce the number of potential solutions generated. A trivial example: filter (< 100) [1..1000] ==> [1..99] where [1..n] generates the list of integers from 1 to n. Here the filter has been combined completely with the generator. This is an example of fusion.
- finance director — financial manager
- finished product — the product that emerges at the end of a manufacturing process
- fire regulations — rules intended to make sure that people and property stay safe in the event of a fire
- fire-tube boiler — any boiler for generating steam by passing hot gases and other combustible products through tubes (fire tubes) immersed in water to a chimney or uptake.
- first generation — 1. (architecture) first generation computer. 2. (language) first generation language.
- first-aid worker — someone who is trained to give immediate medical help in an emergency
- first-generation — being the first generation of a family to be born in a particular country.
- 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
- fissure eruption — the emergence of lava from a fissure in the ground rather than from a volcanic cone or vent
- flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
- 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
- floridean starch — the storage polysaccharide of red algae.
- flutter tonguing — a method of sounding a wind instrument, esp the flute, with a rolling movement of the tongue
- food intolerance — an intolerance of a specific type of food, causing an adverse reaction
- foot in the door — If you say that something helps someone to get their foot in the door or their toe in the door, you mean that it gives them an opportunity to start doing something new, usually in an area that is difficult to succeed in.
- footsteps editor — the technician who adds sound effects, such as doors closing, rain falling, etc, during the postproduction sound-dubbing process
- 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 the duration — If you say that something will happen for the duration, you mean that it will happen for as long as a particular situation continues.
- for the meantime — For the meantime means for a period of time from now until something else happens.
- forbid the banns — to raise an objection to a marriage announced in this way
- forced vibration — Forced vibration is a type of vibration in which a force is repeatedly applied to a mechanical system.
- fore and aft rig — a sail set in a line from one end the other of a vessel rather than in a square
- fore-and-aft rig — a rig in which the principal sails are fore-and-aft.
- foreign minister — (in countries other than the U.S.) a cabinet minister who conducts and supervises foreign and diplomatic relations with other states. Also called, especially British, foreign secretary. Compare secretary of state (def 1).
- foreign national — citizen of another country
- forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
- 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.
- formylmethionine — Alternative spelling of formyl methionine.
- fortin barometer — an adjustable cistern barometer, the most common of those employing mercury.
- forwarding agent — freight forwarder.
- four-masted brig — jackass bark (def 2).
- four-minute mile — a mile-long race run in four minutes or less
- fourth dimension — Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time.
- francis townsend — Francis Everett, 1867–1960, U.S. physician and proposer of the Townsend plan.
- fraternity house — a house occupied by a college or university fraternity.
- free association — the uncensored expression of the ideas, impressions, etc., passing through the mind of the analysand, a technique used to facilitate access to the unconscious.
- french community — a cultural and economic association of France, its overseas departments and territories, and former French territories that chose to maintain association after becoming independent republics: formed 1958.