16-letter words containing t, r, i, f, o
- flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
- floridean starch — the storage polysaccharide of red algae.
- flotation collar — an inflatable device worn around the neck to keep the wearer afloat when in danger of drowning
- 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
- food irradiation — the exposure of food to electromagnetic radiation to kill bacteria and retard deterioration
- fool around with — have casual sex
- 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 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.
- formylmethionine — Alternative spelling of formyl methionine.
- fortin barometer — an adjustable cistern barometer, the most common of those employing mercury.
- forward-thinking — planning or tending to plan for the future; forward-looking.
- 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.
- french directory — the body of five directors in power in France from 1795 until their overthrow by Napoleon in 1799
- friction gearing — wheels or disks transmitting power by means of frictional contact.
- friction welding — a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure.
- friendly society — law: mutual group providing benefits
- front projection — a display system that projects an enlarged television picture on the front surface of a reflective screen.
- frontier dispute — a conflict concerning a frontier between countries and which usually involves those countries
- frontier orbital — the highest-energy occupied orbital or lowest-energy unoccupied orbital in a molecule. Such orbitals have a large influence on chemical properties
- full to the brim — If something, especially a container, is filled to the brim or full to the brim with something, it is filled right up to the top.
- functional group — a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.
- functional water — water containing additives that provide extra nutritional value
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- furniture polish — product: shines wood
- gazetted officer — (in India) a senior official whose appointment is published in the government gazette
- go off the rails — If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example they start taking drugs or breaking the law.
- go with the turf — to be an unavoidable part of a particular situation or process
- go-faster stripe — a decorative line, intended to be suggestive of high speed, on the bodywork of a car
- gold certificate — a former U.S. paper currency issued by the federal government for circulation from 1865 to 1933, equal to and redeemable for gold to a stated value.
- good-for-nothing — worthless; of no use.