16-letter words containing f, i, l, e, t, r
- fertile material — material which can be converted into a fissile material by a neutron-induced nuclear reaction, as uranium-238 or thorium-232
- 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
- 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
- filter cigarette — a cigarette with a filter tip
- 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.
- filterable virus — a virus particle small enough to pass through a filter of diatomaceous earth or porcelain, which will not pass bacteria: chiefly historical or an informal indicator of size, as synthetic membrane filters now permit passage of the smallest virus.
- 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 lieutenant — an officer ranking next above second lieutenant and next below a captain.
- flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
- flabbergastingly — Surprisingly, astonishingly or amazingly.
- 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
- flibbertigibbets — Plural form of flibbertigibbet.
- flibbertigibbety — Like a flibbertigibbet; flighty; scatterbrained.
- 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
- foreign national — citizen of another country
- forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
- formylmethionine — Alternative spelling of formyl methionine.
- four-minute mile — a mile-long race run in four minutes or less
- 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
- 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
- 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.
- 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 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
- garfield heights — a city in NE Ohio, near Cleveland.
- gentleman friend — a man with whom a woman is romantically involved; suitor.
- 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.
- 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.
- harvest festival — religious celebration of crops gathered
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- imperfect flower — a unisexual flower with only stamens or only pistils
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperfectibility — The state or quality of being imperfectible.
- interfacial area — The interfacial area is the total area of contact between two liquids in a liquid-liquid operation.
- intestinal flora — microorganisms that normally inhabit the lumen of the intestinal tract
- isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
- junior flyweight — a boxer weighing up to 108 pounds (48.6 kg), between minimumweight and flyweight.
- larger than life — If you say that someone or something is larger than life, you mean that they appear or behave in a way that seems more exaggerated or important than usual.