17-letter words containing f, a, l, i, s
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- spoonbill catfish — flathead catfish.
- sports facilities — places and things for doing sports
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- statue of liberty — a large copper statue, on Liberty Island, in New York harbor, depicting a woman holding a burning torch: designed by F. A. Bartholdi and presented to the U.S. by France; unveiled 1886.
- straight arm lift — a wrestling attack, in which a wrestler twists the opponent's arm against the joint and lifts him or her by it, often using the shoulder as a fulcrum
- stratified sample — a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sample
- strike-slip fault — a geological fault on which the movement is along the strike of the fault
- temple of artemis — the temple at Ephesus dedicated to Artemis.
- the facts of life — the details of sexual behaviour and reproduction, esp as told to children
- the final whistle — a blast on a referee's whistle to indicate that a game is over
- the life and soul — a person regarded as the main source of merriment and liveliness
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- unofficial strike — a strike that is not approved by the strikers' trade union
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- veiltail goldfish — an artificially bred, indoor variety of goldfish, usually golden or calico and of a spheroid shape, having a fully divided, drooping tail fin exceeding the body in length.
- ventilation shaft — a shaft in a mine, tunnel, or building used for providing ventilation or fresh air
- wallis and futuna — French overseas territory in the South Pacific, northeast of the Fiji Islands: it consists of two groups of islands (Wallis Islands and Futuna Islands): c. 106 sq mi (275 sq km); pop. 14,000
- welfare economics — a branch of economics concerned with improving human welfare and social conditions chiefly through the optimum distribution of wealth, the relief or reduction of unemployment, etc.