13-letter words containing a, l, g, i
- flagellomania — enthusiasm for whipping or being whipped
- flame cutting — a method of cutting ferrous metals in which the metal is heated by a torch to about 800°C and is oxidized by a stream of oxygen from the torch
- flameproofing — Present participle of flameproof.
- flaming sword — a cultivated bromeliad, Vriesea splendens, native to French Guiana, having long, red bracts and yellow flowers.
- flat knitting — a knitting process in which the yarn is knitted horizontally on needles set in a straight line.
- fleming valve — (formerly) a diode.
- flemish giant — one of a breed of large domestic rabbits of Belgian origin, having a solid gray, white, or black coat, and raised for its meat and fur.
- flight leader — a pilot who commands a flight of military airplanes.
- floating debt — short-term government borrowing, esp by the issue of three-month Treasury bills
- floating dock — a submersible, floating structure used as a dry dock, having a floor that is submerged, slipped under a floating vessel, and then raised so as to raise the vessel entirely out of the water.
- floating gang — a group of railroad workers who service or repair the track but are not assigned to a particular section.
- floating rate — fluctuating exchange rate
- floating ribs — the eleventh and twelfth pairs of ribs, not attached to the breastbone or to other ribs but only to the vertebrae
- floating roof — A floating roof is an internal roof of a fuel storage tank.
- floating vote — those voters collectively who are not permanently attached to any political party.
- floor trading — trading by personal contact on the floor of a market or exchange
- flooring brad — a brad having a very small head, made in lengths from 2 to 4 inches (5 to 10 cm).
- flowering ash — a variety of ash tree that produces conspicuous flowers
- fluorographic — of or pertaining to fluorography
- flying boxcar — a large airplane designed to carry cargo.
- flying dragon — any of several arboreal lizards of the genus Draco, having an extensible membrane between the limbs along each side by means of which it makes long, gliding leaps.
- flying lizard — flying dragon.
- flying saucer — any of various disk-shaped objects allegedly seen flying at high speeds and altitudes, often with extreme changes in speed and direction, and thought by some to be manned by intelligent beings from outer space.
- flying tackle — a tackle made by hurling one's body through the air at the player carrying the ball.
- folding chair — a chair that can be collapsed flat for easy storage or transport.
- foliage plant — any plant grown chiefly for its attractive leaves.
- fooling about — the act of speaking or acting in a playful, teasing, or jesting manner
- formularising — Present participle of formularise.
- formularizing — Present participle of formularize.
- foxtail wedge — a wedge in the split end of a tenon, bolt, or the like, for spreading and securing it when driven into a blind mortise or hole.
- fragmentarily — consisting of or reduced to fragments; broken; disconnected; incomplete: fragmentary evidence; fragmentary remains.
- free-floating — (of an emotional state) lacking an apparent cause, focus, or object; generalized: free-floating hostility.
- freight plane — an aeroplane used to transport goods
- front-loading — Also, front-loaded. front-loading (def 1).
- frustratingly — to make (plans, efforts, etc.) worthless or of no avail; defeat; nullify: The student's indifference frustrated the teacher's efforts to help him.
- 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.
- futurological — Pertaining to futurology.
- gabriel fauré — Gabriel Urbain [ga-bree-el oor-ban] /ga briˈɛl urˈbɛ̃/ (Show IPA), 1845–1924, French composer.
- gabrilowitsch — Ossip [aw-syip] /ˈɔ syɪp/ (Show IPA), 1878–1936, Russian pianist and conductor, in America.
- gaidhealtachd — the area of Scotland in which Scottish Gaelic is the vernacular speech
- gala occasion — a festive, social occasion
- galactic halo — a spheroidal aggregation of globular clusters, individual stars, dust, and gas that surrounds the Galaxy
- galactic pole — either of the two opposite points on the celestial sphere that are farthest north and south of the Milky Way.
- galactic year — the duration of a complete rotation of the Milky Way, approximately 200 million years.
- galactosaemia — Alternative spelling of galactosemia.
- galactosaemic — of, relating to, or affected by galactosaemia
- galactosamine — an amino sugar that is a major component of glycolipids and chondroitin.
- galactosidase — An enzyme, such as lactase, that is involved in the hydrolytic breakdown of a galactoside.
- galah session — an occasion on which people from remote areas converse with each other by radio
- galerie house — (in French Louisiana) a house with its main story above the ground floor and with verandas (galeries) for both stories in tiers on at least one side.