16-letter words containing f, e, r, n, t, i
- energy-efficient — A device or building that is energy-efficient uses relatively little energy to provide the power it needs.
- external affairs — (formerly) the Canadian federal Foreign Affairs department
- extreme fighting — a combat sport incorporating techniques from a range of martial arts, with little if any regulation of the types of blows permissible
- extrinsic factor — vitamin B12
- face recognition — the ability of a computer to scan, store, and recognize human faces for use in identifying people
- fahrenheit scale — Gabriel Daniel [German gah-bree-el dah-nee-el] /German ˈgɑ briˌɛl ˈdɑ niˌɛl/ (Show IPA), 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.
- faintheartedness — The quality or state of being fainthearted.
- feather geranium — a Eurasian weed, Chenopodium botrys, of the amaranth family, having clusters of inconspicuous flowers and unpleasant smelling, lobed leaves.
- 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.
- feeping creature — [feeping creaturism] An unnecessary feature; a bit of chrome that, in the speaker's judgment, is the camel's nose for a whole horde of new features.
- feira de santana — a city in BahÍa state, E Brazil.
- feline distemper — distemper1 (def 1c).
- fertile crescent — an agricultural region extending from the Levant to Iraq.
- fertility clinic — a place at which a couple who are unable to conceive may receive medical advice and treatments to help them to have a child
- 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
- 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
- finance minister — a member of a government in charge of the financial affairs of a state etc
- fingertip search — When the police carry out a fingertip search of a place, they examine it for evidence in a very detailed way.
- 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
- first generation — 1. (architecture) first generation computer. 2. (language) first generation language.
- first lieutenant — an officer ranking next above second lieutenant and next below a captain.
- 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.
- flabbergastingly — Surprisingly, astonishingly or amazingly.
- 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.
- 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-minute mile — a mile-long race run in four minutes or less