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12-letter words containing f, e, r, o

  • fennelflower — any of various plants belonging to the genus Nigella, of the buttercup family, especially N. sativa, the seeds of which are used, especially in the East, as a condiment and medicine.
  • fermentation — the act or process of fermenting.
  • fernando póo — Bioko
  • ferric oxide — a dark-red, crystalline, water-insoluble solid, Fe 2 O 3 , occurring naturally, as hematite and rust, or synthesized: used chiefly as a pigment, as a mordant, as a coating for magnetic recording tape, and in the manufacture of polishing compounds.
  • ferrite core — a ferrite magnetic core used in a core memory.
  • ferrocyanide — a salt of ferrocyanic acid, as potassium ferrocyanide, K 4 Fe(CN) 6 .
  • ferrofluidic — Of or pertaining to a ferrofluid.
  • ferrokinesis — (parapsychology) The ability to mentally manipulate iron and other metals.
  • ferroniobium — An important alloy of iron and niobium.
  • ferrosilicon — a ferroalloy containing up to 95 percent silicon.
  • festivalgoer — A person attending a festival.
  • fetoproteins — Plural form of fetoprotein.
  • 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
  • fibrinogenic — producing fibrin.
  • fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
  • 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
  • fingerboards — Plural form of fingerboard.
  • fingerflower — purple foxglove.
  • 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 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)
  • fisherpeople — Plural form of fisherperson.
  • fisherperson — A fisherman or fisherwoman.
  • fishmonger's — a shop that sells fish
  • fitness room — a room with gym equipment in it
  • flabelliform — Shaped like a fan; flabellate.
  • flag officer — a naval officer above the rank of captain, as a fleet admiral, admiral, vice-admiral, rear admiral, or commodore, who is entitled to display a flag indicating his or her rank.
  • flagellators — Plural form of flagellator.
  • flagellatory — relating to flagellation
  • flagelliform — long, slender, and flexible, like the lash of a whip.
  • flame carbon — a carbon electrode containing metallic salts that colour the arc in a flame-arc light
  • flameproofed — Simple past tense and past participle of flameproof.
  • flameproofer — any agent which renders something flameproof
  • flamethrower — a weapon, either mounted or portable, that sprays ignited incendiary fuel for some distance.
  • flammiferous — flame-producing
  • 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.
  • flash memory — Computers. a type of reprogrammable memory that retains information even with the power turned off.
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