English Words Starting With F

• ferret badger

  nounC2
  /ˈfɛrɪt ˈbædʒə/A small, nocturnal mammal native to parts of Southeast Asia, belonging to the genus Melogale. It has a slender body, short legs, and a pointed face resembling both a ferret and a badger.
• ferriage

  nounVery Low
  /ˈfɛrɪɪdʒ/The fare or toll paid for transporting people or goods by ferry.
• ferric ammonium oxalate

  nounVery low / Highly specialized
  /ˌfɛrɪk əˈməʊniəm ˈɒksəleɪt/A light-sensitive green salt of iron and ammonium used historically in cyanotype and blueprint photography.
• ferric chloride

  nounLow
  /ˌfer.ɪk ˈklɔː.raɪd/A chemical compound with the formula FeCl₃, used as a coagulant, etchant, and industrial catalyst.
• ferric oxide

  nounLow
  /ˌfer.ɪk ˈɒk.saɪd/A chemical compound consisting of iron and oxygen with the formula Fe₂O₃.
• ferric sodium oxalate

  nounRare / Technical
  /ˌfer.ɪk ˈsəʊ.di.əm ˈɒk.sə.leɪt/A specific inorganic chemical compound (Na3[Fe(C2O4)3]) used primarily as a reagent in analytical chemistry and photography.
• ferricyanic acid

  nounC2
  /ˌfɛrɪsaɪˌænɪk ˈæsɪd/A chemical compound with the formula H₃[Fe(CN)₆], the hypothetical parent acid of ferricyanides.
• ferricyanide

  nounC2
  /ˌferɪˈsaɪənaɪd/The anion Fe(CN)₆³⁻ or a salt containing it.
• ferrier

  nounRare
  /ˈfɛrɪə/A person who shoes horses; a blacksmith who specializes in equine hoof care.
• ferrihemoglobin

  nounVery Low
  /ˌfɛrɪˌhiːməˈɡləʊbɪn/The oxidized form of hemoglobin in which the iron is in the ferric (Fe³⁺) state, incapable of binding oxygen.
• ferrimagnetism

  nounVery Low
  /ˌfɛrɪˈmæɡnɪtɪzəm/A type of magnetism in which magnetic moments of atoms align in opposite directions but are unequal in magnitude, resulting in a net magnetic moment.
• ferris wheel

  nounB1
  /ˈfɛr.ɪs ˌwiːl/A large, vertical, rotating amusement ride consisting of a giant wheel with passenger cabins (gondolas) attached to its rim.
• ferrite

  nounC2
  /ˈfɛrʌɪt/A ceramic compound of iron oxide and other metallic oxides, which is hard, brittle, and magnetic.
• ferrite core

  nounC2
  /ˌfer.aɪt ˈkɔː/A piece of magnetic material, typically composed of iron oxide and other metal oxides, used as the central component in inductors, transformers, and electromagnets to concentrate and guide magnetic flux.
• ferrite-rod aerial

  nounC2
  /ˌfer.aɪt ˈrɒd ˌeə.ri.əl/A type of radio receiving antenna consisting of a coil of wire wound around a rod made of ferrite, a magnetic material.
• ferritin

  nounLow frequency (predominantly technical/specialist use).
  /ˈfɛrɪtɪn/A protein that stores iron in the body.
• ferroalloy

  nounC2
  /ˌfɛrəʊˈɔɪlɔɪ/An alloy of iron with a high proportion of another element such as manganese, chromium, or silicon, used in steelmaking.
• ferroaluminum

  nounVery Low / Technical
  /ˌfɛrəʊəˈluːmɪnɪəm/An alloy of iron and aluminum.
• ferrocene

  nounC2
  /ˈfɛr.ə(ʊ).siːn/An organometallic compound consisting of two cyclopentadienyl rings bound on opposite sides of a central iron atom.
• ferrocerium

  nounC2
  /ˌfɛrəʊˈsɪəriəm/A man-made pyrophoric alloy that produces hot sparks when scraped.

Showing 1301–1320 of 5868 words.