13-letter words containing r, f, c
- francis bacon — Francis (Baron Verulam, Viscount St. Albans) 1561–1626, English essayist, philosopher, and statesman.
- francis crick — Francis Harry Compton, 1916–2004, English biophysicist: Nobel Prize in Medicine 1962.
- frank chapman — Frank Michler [mik-ler] /ˈmɪk lər/ (Show IPA), 1864–1945, U.S. ornithologist, museum curator, and author.
- freckle-faced — having a face conspicuously covered with freckles.
- frederick iii — 1415–93, emperor of the Holy Roman Empire 1452–93; as Frederick IV, king of Germany 1440–93.
- free climbing — climbing without using pitons, étriers, etc, as direct aids to ascent, but using ropes, belays, etc, at discretion for security
- free electron — an electron that is not attached to an atom or molecule and is free to respond to outside forces.
- free reaching — sailing on a free reach.
- freedom march — an organized march protesting a government's restriction of or lack of support for civil rights, especially such a march in support of racial integration in the U.S. in the 1960s.
- french canada — the areas of Canada, esp in the province of Quebec, where French Canadians predominate
- french endive — endive (def 2).
- french guiana — an overseas department of France, on the NE coast of South America: formerly a French colony. 35,135 sq. mi. (91,000 sq. km). Capital: Cayenne.
- french guinea — former name of Guinea.
- french letter — a condom.
- french pastry — fine, rich, or fancy dessert pastry, especially made from puff paste and filled with cream or fruit preparations.
- french polish — French polish is a type of varnish which is painted onto wood so that the wood has a hard shiny surface.
- french system — a method of spinning in which fibers of extremely short-staple wool are not twisted before being spun.
- french window — a pair of casement windows extending to the floor and serving as portals, especially from a room to an outside porch or terrace.
- french-polish — to finish or treat (a piece of furniture) with French polish.
- friar's chair — frailero.
- friction feed — (printer) A method some printers and plotters use to move paper by rotating one or both of a pair of spring-loaded rubber-coated rollers with the paper sandwiched between them. Friction feed printers are notorious for slipping when the rollers wear out, but can take standard typing paper. For printers with a sheet feeder, friction feed is more appropriate than sprocket feed which requires the holes in the paper to engage with the sprockets of the feed mechanism.
- friction head — (in a hydraulic system) the part of a head of water or of another liquid that represents the energy that the system dissipates through friction with the sides of conduits or channels and through heating from turbulent flow.
- friction pile — a pile depending on the friction of surrounding earth for support.
- friction tape — a cloth or plastic adhesive tape, containing a moisture-resistant substance, used especially to insulate and protect electrical wires and conductors.
- frisches haff — a lagoon in N Poland. 52 miles (84 km) long; 4–12 miles (6–19 km) wide.
- frontispieces — Plural form of frontispiece.
- fruit machine — gambling: slot machine
- frumentaceous — of the nature of or resembling wheat or other grain.
- fuel injector — injector (def 2b).
- fulbright act — an act of Congress (1946) by which funds derived chiefly from the sale of U.S. surplus property abroad are made available to U.S. citizens for study, research, and teaching in foreign countries as well as to foreigners to engage in similar activities in the U.S.
- fume cupboard — vent used in a laboratory
- function room — a room designated for official or formal social gatherings or ceremonies
- function word — a word, as a preposition, article, auxiliary, or pronoun, that chiefly expresses grammatical relationships, has little semantic content of its own, and belongs to a small, closed class of words whose membership is relatively fixed (distinguished from content word).
- functionaries — Plural form of functionary.
- funeral march — march played for funeral processions
- furaciousness — the quality of being furacious or thievish
- futurity race — a race for two-year-old horses in which the entries are selected before birth
- futurological — Pertaining to futurology.
- genetic drift — random changes in the frequency of alleles in a gene pool, usually of small populations.
- german africa — the former German colonies in Africa, comprising German East Africa, German Southwest Africa, Cameroons, and Togoland.
- glacial drift — material, as gravel, sand, or clay, transported and deposited by a glacier or by glacial meltwater.
- glorification — a glorified or more splendid form of something.
- glove factory — a factory where gloves are made
- gratification — the state of being gratified; great satisfaction.
- ground effect — the improvement to the aerodynamic qualities of a low-slung motor vehicle resulting from a cushion of air beneath it
- growth factor — any of various proteins that promote the growth, organization, and maintenance of cells and tissues.
- gyrofrequency — the frequency of rotation of an electron or other charged particle in a magnetic field, directly proportional to the charge of the particle and to the field strength and inversely proportional to the mass of the particle.
- hair follicle — a small cavity in the epidermis and corium of the skin, from which a hair develops.
- handcraftsman — A handicraftsman.
- handkerchiefs — Plural form of handkerchief.