13-letter words containing s, i, l, e, r
- flowering ash — a variety of ash tree that produces conspicuous flowers
- flugelhornist — One who plays the flugelhorn.
- fly fisherman — one who fishes by fly-casting
- 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.
- focal seizure — an epileptic manifestation arising from a localized anomaly in the brain, as a small tumor or scar, and usually involving a single motor or sensory mechanism but occasionally spreading to other areas and causing convulsions and loss of consciousness.
- folding press — a fall in wrestling won by folding one's opponent's legs up to his head and pressing his shoulders to the floor
- foolhardiness — recklessly or thoughtlessly bold; foolishly rash or venturesome.
- force a smile — to make oneself smile
- foresightedly — In a foresighted manner.
- foresightless — lacking foresight
- fortnightlies — Plural form of fortnightly.
- fossil energy — heat energy released by burning fossil fuel
- fossiliferous — bearing or containing fossils, as rocks or strata.
- fractionalise — Alt form fractionalize.
- fraser island — an island off the south-east coast of Queensland and the largest sand island in the world; contains rainforests, heathlands, and freshwater lakes; a national park (since 1976) and a World Heritage site (since 1992). Area: 1840 sq km (710 sq miles). Pop: 194 (2011)
- frelinghuysen — Frederick Theodore, 1817–85, U.S. statesman.
- french polish — French polish is a type of varnish which is painted onto wood so that the wood has a hard shiny surface.
- french-polish — to finish or treat (a piece of furniture) with French polish.
- freudian slip — (in Freudian psychology) an inadvertent mistake in speech or writing that is thought to reveal a person's unconscious motives, wishes, or attitudes.
- frightfulness — The quality of being frightful.
- frise aileron — an aircraft wing control surface designed with its leading edge extending forward of its axis of rotation so that when the aileron's trailing edge is raised the leading edge extends below the bottom surface of the wing.
- frivolousness — characterized by lack of seriousness or sense: frivolous conduct.
- fruitlessness — The quality of being fruitless.
- furshlugginer — crazy; foolish
- 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.
- gallimaufries — Plural form of gallimaufry.
- galois theory — the branch of mathematics that deals with the application of the theory of finite groups to the solution of algebraic equations.
- games library — a type of library for video games where games (usually downloaded via the internet) can be paid for per use rather than be bought at full price
- garcia robles — Alfonso [al-fon-soh,, -zoh;; Spanish ahl-fawn-saw] /ælˈfɒn soʊ,, -zoʊ;; Spanish ɑlˈfɔn sɔ/ (Show IPA), 1911–91, Mexican diplomat: Nobel Prize 1982.
- garrison life — the life of troops who maintain and guard a military base or fortified place
- gastric ulcer — a peptic ulcer located in the stomach's inner wall, caused in part by the corrosive action of the gastric juice on the mucous membrane.
- geissler tube — a sealed glass tube with platinum connections at the ends, containing rarefied gas made luminous by an electrical discharge.
- gelsenkirchen — a city in W Germany, in the Ruhr valley.
- geminiflorous — having flowers arranged in pairs.
- gemmuliferous — producing or reproducing by gemmules.
- generalisable — Non-Oxford British standard spelling of generalizable.
- generalissimo — the supreme commander of the armed forces.
- genital warts — a sexually transmitted disease caused by the human papilloma virus; the warts grow in the genital area
- german silver — any of various alloys of copper, zinc, and nickel, usually white and used for utensils, drawing instruments, etc.; nickel silver.
- germinal disk — blastodisk.
- gerontologist — the branch of science that deals with aging and the problems of aged persons.
- gesticulatory — Making a lot of gesticulations.
- girl's blouse — used to refer to a man who is not behaving in a very strong or masculine way
- glass slipper — an imaginary ladies' shoe made of glass, as worn by Cinderella in the fairy tale of that name
- globuliferous — containing or producing globules.
- glucuronidase — an enzyme that catalyzes glucuronide hydrolysis
- glycoproteins — Plural form of glycoprotein.
- golden shiner — a small, silvery freshwater minnow, Notemigonus crysoleucas, native to eastern North America and introduced into western North America: often used as live bait in sport fishing.
- goldie's fern — a wood fern, Dryopteris goldiana, of northeastern North America, having large, golden-green, leathery fronds with blades that tilt backward.
- gospel singer — a singer performing gospel music