12-letter words containing a, f, t, r
- flaky pastry — variety of puff pastry
- flamethrower — a weapon, either mounted or portable, that sprays ignited incendiary fuel for some distance.
- flat battery — power cell that has run down
- flat-earther — a person who adheres to the idea that the earth is flat.
- flat-grained — (of sawed lumber) having the annual rings at an angle of less than 45° with the broader surfaces.
- flatteringly — In a flattering manner.
- flatterously — in a flatterous manner
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- flight arrow — an arrow having a conical or pyramidal head without barbs.
- float around — A rumour or idea that is floating around is often heard or talked about.
- float bridge — a bridge, as from a pier to a boat, floating at one end and hinged at the other to permit loading and unloading at any level of water.
- float collar — A float collar is a part near the bottom of the casing string which catches the bottom plug and top plug, and which prevents mud from entering the casing.
- floating rib — one member of the two lowest pairs of ribs, which are attached neither to the sternum nor to the cartilages of other ribs.
- floor trader — a member of a stock or commodity exchange who executes orders on the floor of the exchange for his or her own account.
- flow pattern — The flow pattern is the way in which fluids move through a reactor.
- flowcharting — (computing) the design and construction of flowcharts.
- fluidextract — a liquid preparation, containing alcohol as a solvent or as a preservative, that contains in each cubic centimeter the medicinal activity of one gram of the crude drug in powdered form.
- fluoranthene — (organic compound) A polycyclic aromatic hydrocarbon consisting of a benzene ring attached to each of the rings of a naphthalene molecule; it is carcinogenic, and is a product of incomplete combustion.
- 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.
- fluoridating — Present participle of fluoridate.
- fluoridation — the addition of fluorides to the public water supply to reduce the incidence of tooth decay.
- fluorinating — Present participle of fluorinate.
- fluorination — (chemistry) The introduction of fluorine into a compound by means of a chemical reaction.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flutterballs — Plural form of flutterball.
- flutterboard — a kickboard.
- flying start — a start, as in sailboat racing, in which the entrants begin moving before reaching the starting line.
- foolhardiest — Superlative form of foolhardy.
- foot traffic — the wear and tear caused to a surface by people walking on it
- 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.
- footdragging — the act or practice of acting with deliberate slowness
- 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
- for instance — a case or occurrence of anything: fresh instances of oppression.
- for starters — a person or thing that starts.
- for-instance — an instance or example: Give me a for-instance of what you mean.
- foraging ant — any of several ants, as army ants, that forage as part of a large group.
- forced-draft — using a flow of air or air forced through a pipe or system of pipes by fans or blowers: a forced-draft central heating system.
- fore and aft — situated at or toward the front, as compared with something else.
- fore-and-aft — located along or parallel to a line from the stem to the stern.
- fore-topmast — the spar or section of a pole mast serving as the topmast of a foremast on a ship.
- fore-topsail — a topsail set on a foremast on a ship.
- forecastable — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- foregathered — Simple past tense and past participle of foregather.
- foreordinate — foreordain.
- forequarters — the forward end of half of a carcass, as of beef or lamb.
- forestalling — Present participle of forestall.
- forestaysail — a triangular sail set on a forestay; the innermost headsail of a vessel.
- foretopmasts — Plural form of foretopmast.
- foretopsails — Plural form of foretopsail.