English Words Starting With F

• ferrochromium

  nounVery Low
  /ˌfɛrə(ʊ)ˈkrəʊmɪəm/A corrosion-resistant ferroalloy of iron and chromium used primarily in the production of stainless steel and other specialty steels.
• ferroconcrete

  nounLow
  /ˌferəʊˈkɒŋkriːt/A building material consisting of concrete reinforced with steel bars or mesh.
• ferrocyanic acid

  nounVery Low
  /ˌfɛrəʊsaɪˈænɪk ˈæsɪd/A chemical compound, H₄[Fe(CN)₆], the hypothetical acid from which ferrocyanides are derived.
• ferrocyanide

  nounC2
  /ˌfɛrə(ʊ)ˈsaɪənaɪd/A salt containing the complex ion [Fe(CN)₆]⁴⁻, where iron is in the +2 oxidation state.
• ferroelectric

  adjectivenounC2
  /ˌfɛrəʊɪˈlɛktrɪk/A material that can have a spontaneous electric polarization, analogous to ferromagnetism, which can be reversed by an external electric field.
• ferrol

  nounVery Low (Technical/Low-Frequency)
  /ˈfɛr.ɒl/A specific type of high-strength, corrosion-resistant steel alloy.
• ferromagnet

  nounC2
  /ˌferəʊˈmæɡnət/A material that possesses strong, permanent magnetic properties.
• ferromagnetism

  nounC2
  /ˌferəʊˈmæɡnətɪzəm/The property of certain materials (like iron, cobalt, nickel) to become strongly magnetized in the same direction as an applied magnetic field and to retain that magnetization after the field is removed.
• ferromanganese

  nounLow
  /ˌfɛrəʊˈmæŋɡəniːz/An alloy of iron and manganese, containing a high percentage of manganese (typically 50-80%), used primarily in steel production.
• ferromolybdenum

  nounC2 / Very Low Frequency (Specialist Technical Term)
  /ˌfɛrəʊməˈlɪbdɪnəm/An alloy of iron and molybdenum, used primarily as an additive in steel production to increase hardness, strength, and resistance to corrosion and heat.
• ferronickel

  nounVery Low (Technical Term)
  /ˌfɛrəʊˈnɪk(ə)l/An alloy consisting primarily of iron and nickel, typically with 20-40% nickel content, used primarily in stainless steel production.
• ferrosilicon

  nounVery Rare
  /ˌfɛrəʊˈsɪlɪk(ə)n/A ferroalloy (iron-silicon alloy) used as a source of silicon to deoxidize steel and other ferrous alloys.
• ferrotitanium

  nounVery low
  /ˌfɛrəʊtaɪˈteɪnɪəm/A ferroalloy composed of iron and titanium, used as an additive in steelmaking.
• ferrotungsten

  nounVery low
  /ˌfɛrəʊˈtʌŋstən/An alloy of iron and tungsten, typically containing 70–80% tungsten, used as a means of adding tungsten to steel.
• ferrotype

  nounverb-transitiveVery low
  /ˈfɛrəʊtʌɪp/A photograph made on a thin iron plate coated with a sensitized enamel.
• ferrous oxide

  nounC2
  /ˌfer.əs ˈɒk.saɪd/A chemical compound of iron and oxygen where iron is in the +2 oxidation state (FeO).
• ferrous sulfate

  nounLow
  /ˌfɛr.əs ˈsʌl.feɪt/A chemical compound used medicinally as an iron supplement, with the formula FeSO₄.
• ferrous sulfide

  nounC2
  /ˌfer.əs ˈsʌl.faɪd/A black chemical compound composed of iron and sulfur with the formula FeS.
• ferrous sulphate

  nounC1/C2
  /ˌfer.əs ˈsʌl.feɪt/A green crystalline compound of iron and sulfur (chemical formula FeSO₄), used medically to treat iron-deficiency anaemia.
• ferrovanadium

  nounvery_low
  /ˌfɛrəʊvəˈneɪdiəm/A ferroalloy consisting primarily of iron and vanadium, used to add vanadium to steel.

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