12-letter words containing i, s, t
- fluorimeters — Plural form of fluorimeter.
- fluosilicate — a salt of fluosilicic acid.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flux density — the magnetic, radiant, or electric flux per unit of cross-sectional area.
- flying start — a start, as in sailboat racing, in which the entrants begin moving before reaching the starting line.
- flying visit — A flying visit is a visit that only lasts a very short time.
- foam plastic — a kind of light cellular plastic made by creating bubbles of gas in the liquid material and solidifying it: often used as an insulator
- folding seat — a seat that can be folded down
- folk society — an often small, homogeneous, and isolated community or society functioning chiefly through primary contacts and strongly attached to its traditional ways of living.
- folkloristic — the traditional beliefs, legends, customs, etc., of a people; lore of a people.
- folliculitis — inflammation of hair follicles.
- folsom point — a flint point characteristic of the Folsom tradition, typically leaf-shaped and fluted, with small basal extensions, and used on a projectile, as a spear, for hunting game.
- fomentations — Plural form of fomentation.
- food fascist — a person who shows extreme, intolerant views in relation to food
- food stylist — a person whose job is to arrange food in an attractive way for professional photographs or broadcasts.
- foolhardiest — Superlative form of foolhardy.
- foot soldier — an infantryman.
- footslogging — Present participle of footslog.
- footsoldiers — Plural form of footsoldier.
- for instance — a case or occurrence of anything: fresh instances of oppression.
- for-instance — an instance or example: Give me a for-instance of what you mean.
- fore-topsail — a topsail set on a foremast on a ship.
- foredestined — Simple past tense and past participle of foredestine.
- foresightful — care or provision for the future; provident care; prudence.
- forestalling — Present participle of forestall.
- forestaysail — a triangular sail set on a forestay; the innermost headsail of a vessel.
- foretopsails — Plural form of foretopsail.
- formulations — Plural form of formulation.
- fornications — Plural form of fornication.
- fornicatress — (obsolete) A woman guilty of fornication.
- forrest city — a city in E Arkansas.
- fort collins — a city in N Colorado.
- fort madison — a city in SE Iowa, on the Mississippi.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fortepianist — the player of a fortepiano
- fortresslike — Resembling a fortress in shape or impregnability.
- fortuitously — In a fortuitous manner.
- forty-niners — a person, especially a prospector, who went to California in 1849 during the gold rush.
- fosphenytoin — a prodrug that produces phenytoin and is taken to prevent or treat seizures.
- foster child — a child raised by someone who is not its natural or adoptive parent.
- foul-tasting — having a very unpleasant taste
- four-striper — a captain in the U.S. Navy.
- fracastorius — a walled plain in the fourth quadrant of the face of the moon: about 60 miles (97 km) in diameter.
- francescatti — Zino [zee-noh] /ˈzi noʊ/ (Show IPA), 1905–1991, French violinist.
- frankenstein — a person who creates a monster or a destructive agency that cannot be controlled or that brings about the creator's ruin.
- fraternalism — of or befitting a brother or brothers; brotherly.
- fraternising — to associate in a fraternal or friendly way.
- fraternities — Plural form of fraternity.
- free skating — a freestyle competition with no required elements, in which skaters perform an original program of jumps, spins, sequences, etc., to music of their choice.