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12-letter words containing f, r, o

  • 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.
  • fidel castro — Cipriano [sip-ree-ah-noh;; Spanish see-pree-ah-naw] /ˌsɪp riˈɑ noʊ;; Spanish ˌsi priˈɑ nɔ/ (Show IPA), 1858?–1924, Venezuelan military and political leader: president 1901–08; exiled 1908.
  • field cornet — a commander of burgher troops called up in time of war or in an emergency, esp during the 19th century
  • field ration — ration issued and authorized for troops in the field.
  • field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
  • field theory — a detailed mathematical description of the distribution and movement of matter under the influence of one or more fields.
  • field-holler — a cry employing falsetto, portamento, and sudden changes of pitch, used in African-American work songs, later integrated into the techniques of the blues
  • fifty-fourth — next after the fifty-third; being the ordinal number for 54.
  • fig marigold — any of various plants of the genus Mesembryanthemum, having showy flowers of white, yellow, or pink.
  • fingerboards — Plural form of fingerboard.
  • fingerflower — purple foxglove.
  • finno-ugrian — pertaining to the Finns and the Ugrians.
  • fire balloon — a montgolfier.
  • fire company — a company of firefighters.
  • fire control — technical and sometimes automatic supervision of artillery or naval gunfire on a target, as for range, elevation, etc.
  • fire station — a building in which firefighting apparatus and usually fire department personnel are housed; firehouse.
  • fire support — support given by artillery and aircraft to infantry and armored vehicles.
  • fireproofing — the act or process of rendering fireproof.
  • firing order — the sequence of ignition in the cylinders of an internal-combustion engine
  • firmer gouge — a narrow-bladed gouge similar in manner of use to a firmer chisel.
  • first cousin — cousin (def 1).
  • first nation — any of the indigenous peoples or Indian communities of Canada, especially one formally recognized by the Canadian government.
  • first of all — to start with
  • first person — the grammatical person used by a speaker in statements referring to himself or herself (first person singular) or to a group including himself or herself (first person plural)
  • first school — A first school is a school for children aged between five and eight or nine.
  • first violin — one of the principal group of violins in an orchestra
  • firth of tay — the estuary of the River Tay on the North Sea coast of Scotland. Length: 40 km (25 miles)
  • fish factory — a factory where fish is processed
  • fisherpeople — Plural form of fisherperson.
  • fisherperson — A fisherman or fisherwoman.
  • fishing port — a town which has a lot of fishing boats
  • fishing worm — an earthworm.
  • fishmonger's — a shop that sells fish
  • fissirostral — having a broad, deeply cleft beak or bill, as the swallows and goatsuckers.
  • fitness room — a room with gym equipment in it
  • fitting room — a room, as in a clothing store, where garments are tried on and measurements taken for alterations or other changes.
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