13-letter words containing s, r, f, l
- fractionalist — an advocate or supporter of fractionalism
- fractocumulus — low ragged slightly bulbous cloud, often appearing below nimbostratus clouds during rain
- 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.
- frontal gyrus — any of several convolutions on the outer surface of the frontal lobe of the cerebrum.
- frosted glass — etched glass with a translucent surface
- fruitlessness — The quality of being fruitless.
- 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.
- full-strength — If a team or army is at full strength, all the members that it needs or usually has are present.
- furshlugginer — crazy; foolish
- fusarium wilt — a disease of plants, characterized by damping-off, wilting, and a brown dry rot, caused by fungi of the genus Fusarium.
- futilitarians — Plural form of futilitarian.
- gallimaufries — Plural form of gallimaufry.
- gallows frame — headframe.
- garrison life — the life of troops who maintain and guard a military base or fortified place
- geminiflorous — having flowers arranged in pairs.
- gemmuliferous — producing or reproducing by gemmules.
- general staff — a group of officers who are without command and whose duty is to assist high commanders in planning and carrying out orders in peace and war.
- globuliferous — containing or producing globules.
- gödel's proof — a proof that in a formal axiomatic system such as logic or mathematics it is impossible to prove consistency without using methods from outside the system, demonstrated by Kurt Gödel (1906–78)
- goldie's fern — a wood fern, Dryopteris goldiana, of northeastern North America, having large, golden-green, leathery fronds with blades that tilt backward.
- grain of salt — salt crystal
- granuliferous — full of granules, or producing granules
- gulf of saros — an inlet of the Aegean in NW Turkey, north of the Gallipoli Peninsula. Length: 59 km (37 miles). Width: 35 km (22 miles)
- gulf of sidra — a wide inlet of the Mediterranean on the N coast of Libya
- gulf-of-saros — Gulf of, an inlet of the Aegean, N of the Gallipoli Peninsula. 37 miles (60 km) long; 22 miles (35 km) wide.
- half measures — inadequate measures or actions
- half-deserted — (of a place) not having many inhabitants, visitors, etc
- half-silvered — (of a mirror) having an incomplete reflective coating, so that half the incident light is reflected and half transmitted: used in optical instruments and two-way mirrors
- hard feelings — Hard feelings are feelings of anger or bitterness towards someone who you have had an argument with or who has upset you. If you say 'no hard feelings', you are making an agreement with someone not to be angry or bitter about something.
- heartfeltness — The state or quality of being heartfelt.
- hydrosulfides — Plural form of hydrosulfide.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- hyposulfurous — of or derived from hyposulfurous acid.
- infiltrations — Plural form of infiltration.
- inflorescence — a flowering or blossoming.
- informalities — Plural form of informality.
- informercials — Plural form of informercial.
- infrascapular — (anatomy) Beneath the scapula.
- infructuously — in an infructuous or unfruitful manner; fruitlessly
- isle of capri — Capri.
- killing frost — the occurrence of temperatures cold enough to kill all but the hardiest vegetation, especially the last such occurrence in spring and the first in fall, events that limit the agricultural growing season.
- laissez-faire — of, relating to, or conforming to the principles or practices of laissez faire.
- leapfrog test — a diagnostic technique using arithmetic or logical operations in a routine to manage the capacity of storage media, transfer data, and check the results.