12-letter words containing f, o, r, b
- deformed bar — a rod for reinforcing concrete, having surface irregularities, as transverse ridges, to improve the bond.
- dibenzofuran — an organic compound (C12H8O) composed of two benzene rings fused to a central furan ring
- double drift — a method of calculating wind direction and velocity by observing the direction of drift of an aircraft on two or more headings.
- double first — a first in two subjects.
- fabrications — Plural form of fabrication.
- 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.
- ferroniobium — An important alloy of iron and niobium.
- fiber optics — the branch of optics that deals with the transmission of light through transparent fibers, as in the form of pulses for the transmission of data or communications, or through fiber bundles for the transmission of images.
- fiberization — the process or practice of breaking into fibres
- fibre optics — optical fibre
- fibrillation — the formation of fibrils.
- fibrilliform — of the form of a fibril.
- fibrinogenic — producing fibrin.
- fibrinolysin — a proteolytic enzyme, formed in the blood from plasminogen, that causes the breakdown of the fibrin in blood clots.
- fibrinolysis — the disintegration or dissolution of fibrin, especially by enzymatic action.
- fibrinolytic — the disintegration or dissolution of fibrin, especially by enzymatic action.
- 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.
- fibrous root — a root, as in most grasses, having numerous, very fine branches of approximately the same length.
- fingerboards — Plural form of fingerboard.
- fire balloon — a montgolfier.
- flabelliform — Shaped like a fan; flabellate.
- 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.
- 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.
- floor broker — a member of a stock or commodity exchange who executes orders on the floor of the exchange for other brokers.
- flour beetle — any of several brown darkling beetles, especially of the genus Tribolium, that infest, breed in, feed on, and often pollute flour, stored grain, and other stored produce.
- 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.
- flutterboard — a kickboard.
- 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.
- for the best — of the highest quality, excellence, or standing: the best work; the best students.
- forbearances — Plural form of forbearance.
- forbearingly — In a forbearing manner.
- forbiddingly — In a forbidding manner.
- forcibleness — The quality of being forcible.
- forebearance — Misspelling of forbearance.
- forebodement — The act of foreboding.
- 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.