13-letter words containing f, i, r
- driving force — impetus
- drownproofing — a survival technique, for swimmers or nonswimmers, in which the body is allowed to float vertically in the water, with the head submerged, the lungs filled with air, and the arms and legs relaxed, the head being raised to breathe every ten seconds or so.
- dumfriesshire — Also called Dumfriesshire [duhm-frees-sheer, -sher] /dʌmˈfrisˌʃɪər, -ʃər/ (Show IPA). a historic county in S Scotland.
- dwarf ginseng — a plant, Panax trifolius, of eastern North America, having globe-shaped clusters of small, white flowers and yellow fruit.
- ear infection — an infection that affects the ear
- electric fire — a device that provides heat for a room from an incandescent electric element
- electric flux — the product of the electric displacement and the area across which it is displaced in an electric field
- enfield rifle — a breech-loading bolt-action magazine rifle, usually .303 calibre, used by the British army until World War II and by other countries
- enfranchising — Present participle of enfranchise.
- enteric fever — typhoid
- epping forest — a forest in E England, northeast of London: formerly a royal hunting ground
- equidifferent — equilateral; having differences that are equal
- express rifle — a high-velocity hunting rifle for big game shooting
- extrafamilial — Outside a family.
- fabric filter — A fabric filter is a type of filter in which solids are removed from a gas by passing it though a fabric.
- fabric ribbon — a typewriter ribbon made of inked material
- fabricability — able to be formed or shaped; capable of being constructed or manufactured.
- factorisation — Alternative spelling of factorization.
- factorization — Mathematics. to resolve into factors.
- factory price — the price quoted for manufactured goods for pickup at the gate of a factory, before certain handling, shipping, and similar costs.
- faerie queene — a chivalric romance in verse (1590–96) by Edmund Spenser.
- faint-hearted — lacking courage; cowardly; timorous.
- fairly-traded — bought from the producer at a guaranteed price
- fairview park — a city in N Ohio.
- fairy penguin — a small penguin, Eudyptula minor, with a bluish head and back, found on the Australian coast
- fairy swallow — a variety of domestic fancy pigeon having blue-and-white plumage and heavily muffed feet
- fairy-slipper — Calypso (def 2).
- false horizon — a line or plane that simulates the horizon, used in altitude-measuring devices or the like.
- false vampire — any large, carnivorous bat of the families Megadermatidae and Phyllostomatidae, of Africa, Asia, and Australia, erroneously reputed to suck the blood of animals and humans.
- familiarising — Present participle of familiarise.
- familiarities — Plural form of familiarity.
- familiarizing — Present participle of familiarize.
- family circle — the closely related members of a family as a group.
- family credit — (formerly, in Britain) a means-tested allowance paid to low-earning families with one or more dependent children and one or both parents in work: replaced by Working Families' Tax Credit in 1999
- family doctor — a general practitioner.
- family friend — intimate acquaintance of one's family
- fantasmagoria — phantasmagoria.
- fantasmagoric — phantasmagoria.
- fantin-latour — (Ignace) Henri (Joseph Théodore) [ee-nyas ahn-ree zhaw-zef tey-aw-dawr] /iˈnyas ɑ̃ˈri ʒɔˈzɛf teɪ ɔˈdɔr/ (Show IPA), 1836–1904, French painter.
- farkleberries — Plural form of farkleberry.
- faroe islands — islands in Atlantic Ocean
- farther india — a peninsula in SE Asia, between India and China: consists of Myanmar, Thailand, Laos, Cambodia, Vietnam, and Malaysia
- fashionmonger — (derogatory) One who slavishly follows the latest fashions.
- fast-breaking — (of a news story) occurring suddenly, and often portending a series of events or further developments in rapid succession.
- fast-tracking — the practice of speeding up the progress of a project or person
- father figure — a man embodying or seeming to embody the qualities of an idealized conception of the male parent, eliciting from others the emotional responses that a child typically has toward its father.
- father-in-law — the father of one's husband or wife.
- fatigue party — a group of soldiers undertaking fatigues
- fatigue ratio — the ratio between the fatigue limit and the tensile strength of a material.
- fault breccia — angular rock fragments produced by fracture and grinding during faulting and distributed within or adjacent to the fault plane.