16-letter words containing o, i, l, f, r
- distrito federal — Federal District. Abbreviation: D.F.
- do-it-yourselfer — an advocate or enthusiast of do-it-yourself
- documentary film — factual, informative film
- dolce far niente — pleasing inactivity.
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- electronic flash — Photography
- fair to middling — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
- family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
- farmington hills — a city in SE Michigan.
- 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
- fielder's choice — a fielder's attempt to put out a base runner rather than the batter when a play at first base would put out the batter.
- file compression — (algorithm) The compression of data in a file, usually to reduce storage requirements.
- 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.
- finless porpoise — a porpoise Neophocaena phocaenoides of the Indian and pacific Oceans that completely lacks a dorsal fin
- 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.
- firework display — a public event at which fireworks are set alight
- 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
- flight formation — an arrangement of two or more airplanes flying together in a group, usually in a predetermined pattern.
- flight indicator — artificial horizon (def 3).
- flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
- florencio varela — a city in E Argentina, near Buenos Aires.
- 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
- flower arranging — Flower arranging is the art or hobby of arranging cut flowers in a way which makes them look attractive.
- flowering quince — any shrub belonging to the genus Chaenomeles, of the rose family, native to eastern Asia, having showy, waxy flowers and a quincelike fruit, grown widely as an ornamental.
- flutter tonguing — a method of sounding a wind instrument, esp the flute, with a rolling movement of the tongue
- follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
- food intolerance — an intolerance of a specific type of food, causing an adverse reaction
- fool around with — have casual sex
- foreign language — language not one's mother tongue
- 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
- formylmethionine — Alternative spelling of formyl methionine.
- forward analysis — An analysis which determines properties of the output of a program from properties of the inputs.
- forward delivery — delivery at a future date.
- forward planning — business: making future provisions
- four-deal bridge — a version of bridge in which four hands only are played, the players then cutting for new partners
- four-dimensional — of a space having points, or a set having elements, which require four coordinates for their unique determination.
- four-minute mile — a mile-long race run in four minutes or less
- four-wheel drive — a drive system in which engine power is transmitted to all four wheels for improved traction.
- fourier analysis — the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Compare Fourier series.
- francis of paula — Saint, 1416–1507, Italian monk: founder of the order of Minims.