12-letter words containing l, o, r, e, i
- flower child — (especially in the 1960s) a young person, especially a hippie, rejecting conventional society and advocating love, peace, and simple, idealistic values.
- fluorapatite — a crystalline mineral, Ca 5 (PO 4) 3 F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
- fluoresceine — Alternative spelling of fluorescein.
- fluorimeters — Plural form of fluorimeter.
- fluorimetric — Alternative form of fluorometric.
- fluorometric — Of, pertaining to, or measured using fluorometry.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- fluviomarine — of or formed by the combined action of river and sea.
- folding rule — a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes.
- followership — the ability or willingness to follow a leader.
- foolhardiest — Superlative form of foolhardy.
- foot soldier — an infantryman.
- footsoldiers — Plural form of footsoldier.
- for a giggle — as a joke or prank; not seriously
- for all time — forever, for eternity
- forbearingly — In a forbearing manner.
- forcibleness — The quality of being forcible.
- fore-topsail — a topsail set on a foremast on a ship.
- forebodingly — a prediction; portent.
- forebuilding — (architecture,historical) An outer defense work of a castle used to protect the entrance to the keep.
- foreign bill — a bill of exchange drawn on a payer in one country by a maker in another.
- foreign-flag — (of a vessel or aircraft) having a registry under a nationality other than one's own: rivalry between U.S.-flag freighters and foreign-flag ships.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- foreseeingly — by way of foreseeing
- 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.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- forgeability — (metallurgy) The quality or degree of being forgeable.
- formalizable — Capable of being formalized.
- former pupil — someone who used to attend a particular school or be a student of a particular teacher
- formularized — Simple past tense and past participle of formularize.
- formularizer — One who formularizes.
- formularizes — Third-person singular simple present indicative form of formularize.
- fort belvoir — a military reservation and U.S. Army training center in NE Virginia on the Potomac.
- fort laramie — a city in SE Wyoming.
- fortresslike — Resembling a fortress in shape or impregnability.
- fortruncible — A cross between Fortran and RUNCIBLE for the IBM 650. Listed in CACM 2(5):16 (May 1959).
- forward line — the soldiers at the forward most position in an army force
- foster child — a child raised by someone who is not its natural or adoptive parent.
- fox squirrel — any of several North American arboreal squirrels varying in color and of an exceptionally large size.
- free on rail — (of a consignment of goods) delivered to a railway station and loaded onto a train without charge to the buyer
- freezer foil — a type of tinfoil used to wrap food that is to be frozen
- frictionless — surface resistance to relative motion, as of a body sliding or rolling.
- frolicsomely — In a frolicsome manner.
- furazolidone — a nitrofuran, C 8 H 7 N 3 O 5 , that is used in the treatment of giardiasis, and bacterial gastroenteritis and dysentery.
- galeniferous — Of a mineral or deposit that contains galena.
- gelatiniform — Having the form of gelatin.
- generational — the entire body of individuals born and living at about the same time: the postwar generation.