12-letter words containing r, a, b
- factorisable — Alternative spelling of factorizable.
- factorizable — (mathematics, of an integer or polynomial etc) Able to be factorized.
- fall webworm — the larva of any of several moths, as Hyphantria cunea (fall webworm) or Loxostege similalis (garden webworm) which spins a web over the foliage on which it feeds.
- fardel-bound — (of ruminants) having the food impacted in the third compartment of the stomach; costive; constipated.
- fascia-board — a band or fillet, as for binding the hair.
- favorability — The quality or degree of being viewed favorably.
- featherbacks — Plural form of featherback.
- featherbrain — a foolish or giddy person; scatterbrain.
- febrifacient — producing fever.
- fertilizable — Capable of being fertilized.
- fiberization — the process or practice of breaking into fibres
- fibrillating — Present participle of fibrillate.
- fibrillation — the formation of fibrils.
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- fibroblastic — a cell that contributes to the formation of connective tissue fibers.
- fibromatosis — (pathology) The presence of multiple fibromas.
- fibromyalgia — a syndrome characterized by fatigue and chronic pain in the muscles and in tissues surrounding the joints.
- fibrosarcoma — a sarcoma derived from fibroblast cells, often able to generate collagen.
- fiddler crab — any small, burrowing crab of the genus Uca, characterized by one greatly enlarged claw in the male.
- figurability — the quality of being figurable
- figured bass — a bass part in which the notes have numbers under them indicating the chords to be played.
- film library — a collection of films, motion pictures, videodiscs, videocassettes, and any other materials stored on film.
- filtrability — the quality or extent of being filtrable
- fingerboards — Plural form of fingerboard.
- fire balloon — a montgolfier.
- fire blanket — a large blanket-like piece of fire-resistant material such as fibreglass used in smothering a fire
- fire brigade — a group of firefighters, especially as formed temporarily or called upon to assist a fire department in an emergency.
- firebreather — A performer who creates fireballs by breathing a fine mist of fuel over an open flame.
- flabbergasts — Plural form of flabbergast.
- flabberghast — (archaic) Alternative form of flabbergast.
- flabelliform — Shaped like a fan; flabellate.
- flabergasted — Simple past tense and past participle of flabergast.
- flame carbon — a carbon electrode containing metallic salts that colour the arc in a flame-arc light
- flannelboard — a flannel-covered surface to which other flannel pieces, as letters of the alphabet, numbers, etc., adhere merely by contact, used mainly in schools as a visual aid.
- flat battery — power cell that has run down
- flinders bar — a bar of soft iron, mounted vertically beneath a compass to compensate for vertical magnetic currents.
- 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.
- 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.
- flow breccia — a volcanic breccia that has solidified from a lava flow.
- fluorocarbon — any of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and heat resistance is essential; banned as an aerosol propellant in the U.S. because of concern about ozone layer depletion.
- flutterballs — Plural form of flutterball.
- flutterboard — a kickboard.
- fly in amber — a strange relic or reminder of the past
- 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.
- forbearances — Plural form of forbearance.
- forbearingly — In a forbearing manner.
- forebearance — Misspelling of forbearance.
- forecastable — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- forgeability — (metallurgy) The quality or degree of being forgeable.
- formalizable — Capable of being formalized.