12-letter words containing f, l, o
- fluoroscopes — Plural form of fluoroscope.
- fluoroscopic — of or relating to the fluoroscope or fluoroscopy.
- fluorouracil — a pyrimidine analog, C 4 H 3 FN 2 O 2 , used in the treatment of certain cancers.
- fluosilicate — a salt of fluosilicic acid.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flutterboard — a kickboard.
- fluviomarine — of or formed by the combined action of river and sea.
- fly the coop — an enclosure, cage, or pen, usually with bars or wires, in which fowls or other small animals are confined for fattening, transportation, etc.
- flying mouse — pygmy glider.
- fm cyclotron — a type of cyclotron that synchronizes its accelerating voltage with particle velocity in order to compensate for the relativistic mass increase of the particle as it approaches the speed of light.
- 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
- foamed metal — a uniform foamlike metal structure produced when hydrogen bubbles are evolved from metal hydrides uniformly dispersed throughout a host metal or metal alloy: used as a structural material because of its shock-absorbing properties and light weight.
- focal length — the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f.
- focalization — (optics) Putting into focus.
- focus puller — the member of a camera crew who adjusts the focus of the lens as the camera is tracked in or out
- foefie slide — a rope, fixed at an incline, along which a person suspended on a pulley may traverse a space, esp across a river
- folding door — a door with hinged sections that can be folded flat against one another when opened.
- 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.
- folding seat — a seat that can be folded down
- folie a deux — the sharing of delusional ideas by two people who are closely associated.
- folinic acid — a crystalline, slightly water-soluble solid, C 20 H 23 N 7 O 7 , produced by fermentation or derived from folic acid, used in medicine in the treatment of certain anemias.
- folk singing — the singing of folk songs, especially by a group of people.
- 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.
- followership — the ability or willingness to follow a leader.
- 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.
- food allergy — an allergy to a specific type of food
- food stylist — a person whose job is to arrange food in an attractive way for professional photographs or broadcasts.
- food vacuole — a membrane-enclosed cell vacuole with a digestive function, containing material taken up in by the process of phagocytosis.
- foodlessness — Absence of food.
- foolhardiest — Superlative form of foolhardy.
- foot soldier — an infantryman.
- foot-lambert — a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbreviation: fL.
- foot-poundal — a foot-pound-second unit of work or energy equal to the work done by a force of one poundal when its point of application moves through a distance of one foot in the direction of the force. Abbreviation: ft-pdl.
- footlessness — the state of being footless
- footplateman — a member of a locomotive crew who stands on the footplate to operate the controls
- footslogging — Present participle of footslog.
- footsoldiers — Plural form of footsoldier.
- for a giggle — as a joke or prank; not seriously
- for all that — the whole of (used in referring to quantity, extent, or duration): all the cake; all the way; all year.
- for all time — forever, for eternity
- forbearingly — In a forbearing manner.
- forbiddingly — In a forbidding manner.
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- 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.
- forecastable — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.