15-letter words containing s, l, i, n
- fahnestock clip — a type of terminal using a spring that clamps readily onto a connecting wire.
- fallopian tubes — one of a pair of long, slender ducts in the female abdomen that transport ova from the ovary to the uterus and, in fertilization, transport sperm cells from the uterus to the released ova; the oviduct of higher mammals.
- familiarisation — Alternative spelling of familiarization.
- family business — company owned and run by a family
- family division — a division of the High Court of Justice dealing with divorce, the rights of access to children, etc
- family skeleton — a closely guarded family secret
- fantasmagorical — Alternative form of phantasmagorical.
- fantasticalness — The state or condition of being fantastical.
- fashionableness — The state of being fashionable; stylishness; elegance.
- fauntleroy suit — a formal outfit for a boy composed of a hip-length jacket and knee-length pants, often in black velvet, and a wide, lacy collar and cuffs, usually worn with a broad sash at the waist and sometimes a large, loose bow at the neck, popular in the late 19th century.
- feelinglessness — Lack of feeling or emotion.
- fetal diagnosis — prenatal determination of genetic or chemical abnormalities in a fetus, esp by amniocentesis
- field intensity — the vector sum of all forces exerted by a field on a unit mass, unit charge, unit magnetic pole, etc., at a given point within the field.
- field of vision — the entire view encompassed by the eye when it is trained in any particular direction.
- fifth columnist — A fifth columnist is someone who secretly supports and helps the enemies of the country or organization they are in.
- fight windmills — to fight imaginary evils or opponents
- filling station — service station (def 1).
- fillister plane — an adjustable plane for cutting rabbets, grooves, etc
- finger spelling — a method of communicating with or among deaf people in which different shapes made with the fingers represent different letters of the alphabet
- first gentleman — (often initial capital letters) the husband of the U.S. president or a current governor or mayor.
- first principle — any axiom, law, or abstraction assumed and regarded as representing the highest possible degree of generalization.
- fishing village — a village in which fishing is the main industry
- flavourdynamics — as in quantum flavour dynamics, a mathematical model used to describe the interaction of flavoured particles (weak force) through the exchange of intermediate vector bosons
- fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
- fleming's rules — two rules used as mnemonics for the relationship between the directions of current flow, motion, and magnetic field in electromagnetic induction. The hand is held with the thumb, first, and second fingers at right angles, respectively indicating the directions of motion, field, and electric current. The left hand is used for electric motors and the right hand for dynamos
- flemish brabant — a province of central Belgium, formed in 1995 from the N part of Brabant province: densely populated and intensively farmed, with large industrial centres. Pop: 1 031 904 (2004 est). Area: 2106 sq km (813 sq miles)
- flight sergeant — a noncommissioned officer in the Royal Air Force junior in rank to a master aircrew
- flight shooting — competitive shooting for distance only.
- flinders island — an island off the coast of NE Tasmania: the largest of the Furneaux Islands. Pop: 850 (2004 est). Area: 2077 sq km (802 sq miles)
- flirtatiousness — The quality of being flirtatious.
- floating island — a dessert consisting of boiled custard with portions of meringue, whipped cream, or whipped egg whites and sometimes jelly floating upon it or around it.
- floating screed — Building Trades. screed (def 3).
- floating supply — the aggregate supply of ready-to-market goods or securities.
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- floriferousness — Quality of being floriferous, or bearing many flowers.
- flowerhorn fish — a brightly coloured cichlid fish with a large protuberance on the head
- flowering shrub — any shrub that produces flowers
- flowers of zinc — a white or yellowish-white, amorphous, odorless, water-insoluble powder, ZnO, used chiefly as a paint pigment, in cosmetics, dental cements, matches, white printing inks, and opaque glass, and in medicine in the treatment of skin conditions.
- fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter.
- fluoridationist — One who supports the addition of fluoride to the public water supply.
- flying buttress — a segmental arch transmitting an outward and downward thrust to a solid buttress that through its inertia transforms the thrust into a vertical one.
- flying fortress — a heavy bomber, the B-17, with four radial piston engines, widely used over Europe and the Mediterranean by the U.S. Air Force in World War II.
- flying squirrel — any of various nocturnal tree squirrels, as Glaucomys volans, of the eastern U.S., having folds of skin connecting the fore and hind legs, permitting long, gliding leaps.
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- foundationalism — (epistemology) The doctrine that beliefs derive justification from certain basic beliefs.
- fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
- franklin square — a town on W Long Island, in SE New York.
- franklin's gull — a black-headed North American gull, Larus pipixcan, feeding chiefly on insects.
- fraternal twins — one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately fertilized ova.
- fresnel biprism — biprism.