12-letter words containing a, f, e, r
- favouredness — the quality of or extent to which something is favoured
- fearlessness — without fear; bold or brave; intrepid.
- fearsomeness — causing fear: a fearsome noise.
- feather palm — any palm having large pinnate or bipinnate leaves, as the date palm or royal palm.
- feather shot — fine bean shot.
- feather star — a free-swimming crinoid.
- featherbacks — Plural form of featherback.
- featherbrain — a foolish or giddy person; scatterbrain.
- featherheads — Plural form of featherhead.
- featheriness — The state or quality of being feathery.
- featherlight — extremely light; light as a feather.
- feature film — full-length movie
- featurectomy — /fee"ch*r-ek"t*-mee/ The act of removing a feature from a program. Featurectomies come in two flavours, the "righteous" and the "reluctant". Righteous featurectomies are performed because the remover believes the program would be more elegant without the feature, or there is already an equivalent and better way to achieve the same end. (Doing so is not quite the same thing as removing a misfeature.) Reluctant featurectomies are performed to satisfy some external constraint such as code size or execution speed.
- febrifacient — producing fever.
- federal case — a matter that falls within the jurisdiction of a federal court or a federal law-enforcement agency.
- federalistic — an advocate of federalism.
- federalizing — Present participle of federalize.
- federatively — from a federative point of view
- feed-forward — A multi-layer perceptron network in which the outputs from all neurons (see McCulloch-Pitts) go to following but not preceding layers, so there are no feedback loops.
- feeler gauge — a person or thing that feels.
- female rhyme — feminine rhyme.
- fence lizard — either of two spiny lizards, Sceloporus undulatus and S. occidentalis, of the U.S. and northern Mexico, often seen on fences.
- fenestration — the design and disposition of windows and other exterior openings of a building.
- fenfluramine — a sympathomimetic substance, C 12 H 16 F 3 N, formerly used mainly as an anorectic in the treatment of obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
- fer de lance — a large pit viper, Bothrops atrox, of tropical America.
- fer-de-lance — a large pit viper, Bothrops atrox, of tropical America.
- ferdinand ii — ("the Catholic") 1452–1516, founder of the Spanish monarchy 1506: king of Sicily 1468–1516, king of Aragon 1479–1516; as Ferdinand III, king of Naples 1504–16; as King Ferdinand V, joint sovereign (with Isabella I) of Castile 1474–1504.
- ferdinand vi — 1713–59, king of Spain 1746–59 (son of Philip V).
- fergus falls — a city in W central Minnesota.
- fermat prime — (mathematics) A prime number of the form 2^2^n + 1. Any prime number of the form 2^n+1 must be a Fermat prime. Fermat conjectured in a letter to someone or other that all numbers 2^2^n+1 are prime, having noticed that this is true for n=0,1,2,3,4. No further Fermat primes are known; several have been factorised, and several more have been proved composite without finding explicit factorisations.
- fermentation — the act or process of fermenting.
- fermentative — tending to produce or undergo fermentation.
- fernando póo — Bioko
- ferrel's law — the law that wind is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, derived from the application of the Coriolis effect to air masses.
- ferricyanide — a salt of ferricyanic acid, as potassium ferricyanide, K 3 Fe(CN) 6 .
- ferrocyanide — a salt of ferrocyanic acid, as potassium ferrocyanide, K 4 Fe(CN) 6 .
- fertilizable — Capable of being fertilized.
- ferulic acid — a compound, C 10 H 10 O 4 , found in small amounts in lants, that occurs in two isomers, one a yellow oily liquid and the other crystalline.
- festivalgoer — A person attending a festival.
- feuchtwanger — Lion [lee-awn] /ˈli ɔn/ (Show IPA), 1884–1958, German novelist and dramatist.
- fiberization — the process or practice of breaking into fibres
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- fiddler crab — any small, burrowing crab of the genus Uca, characterized by one greatly enlarged claw in the male.
- fidel castro — Cipriano [sip-ree-ah-noh;; Spanish see-pree-ah-naw] /ˌsɪp riˈɑ noʊ;; Spanish ˌsi priˈɑ nɔ/ (Show IPA), 1858?–1924, Venezuelan military and political leader: president 1901–08; exiled 1908.
- field ration — ration issued and authorized for troops in the field.
- fieri facias — a writ commanding a sheriff to levy and sell as much of a debtor's property as is necessary to satisfy a creditor's claim against the debtor. Abbreviation: FI. FA., fi. fa.
- fifth-grader — a student in the fifth grade of the American education system
- figuratively — of the nature of or involving a figure of speech, especially a metaphor; metaphorical and not literal: The word “head” has several figurative senses, as in “She's the head of the company.”. Synonyms: metaphorical, not literal, symbolic.
- figure skate — a shoe skate used in figure skating, especially one having a blade shorter than that of a racing skate, usually not extending beyond the toe or heel, and with notches or sawteeth on the curved forward edge.
- figure-skate — to take part in figure skating