English Words Starting With F

• fulminate

  nounverbverb-intransitiveverb-transitiveC2
  /ˈfʌlmɪneɪt/To express vehement protest, censure, or denunciation; or, to explode violently (technical).
• fulminating compound

  nounVery Low (Technical/Historical)
  /ˌfʊlmɪneɪtɪŋ ˈkɒmpaʊnd/A chemical compound that is highly explosive and can detonate with sudden violence.
• fulminating powder

  nounC2 (Very Low Frequency, Technical/Literary)
  /ˈfʊl.mɪ.neɪ.tɪŋ ˌpaʊ.dər/A highly explosive powder, especially one containing a fulminate (like mercury fulminate), used historically as a detonator or primer in firearms and explosives.
• fulmination

  nounLow
  /ˌfʊlmɪˈneɪʃn/A vehement verbal denunciation or explosion of criticism.
• fulmine

  verb-ambitransitiveRare/Literary
  /ˈfʊlmɪn/, /ˈfʌlmɪn/To express strong protest, condemnation, or criticism, especially in a sudden, forceful, and often public manner.
• fulminic acid

  nounVery Low
  /fʌlˈmɪnɪk ˈæsɪd/An unstable, explosive acid of formula HCNO, which is an isomer of cyanic acid and forms explosive salts (fulminates).
• fulton

  nounRare
  /ˈfʊltən/A specialized term most commonly referring to a type of fish-trap or weir used in historical English fishing, or a specific maritime device.
• fumadiddle

  nounExtremely Rare / Obsolete
  /ˈfjuːməˌdɪd(ə)l/A trivial or nonsensical object, notion, or piece of talk; nonsense, foolishness.
• fumage

  nounExtremely Rare / Obsolete
  /ˈfjuːmɪdʒ/A historical tax on chimneys or hearths.
• fumarate

  nounC2
  /ˈfjuːməreɪt/A salt or ester of fumaric acid, used primarily in chemistry, biochemistry, and pharmacology.
• fumaric acid

  nounC2
  /fjuːˈmærɪk ˈæsɪd/An unsaturated dicarboxylic acid (C₄H₄O₄) that occurs naturally in plants and is used industrially.
• fumarole

  nounC2
  /ˈfjuːmərəʊl/A vent or hole in the ground near a volcano, through which hot gases and steam escape.
• fumatorium

  nounVery Low (Technical/Hyper-Specialised)
  /ˌfjuːməˈtɔːrɪəm/A chamber or structure for fumigation; a place where fumigation is carried out.
• fumatory

  adjectivenounVery Rare (obsolete/technical)
  /ˈfjuːmət(ə)ri/Pertaining to smoking or the use of smoke.
• fumble

  nounverbverb-intransitiveverb-transitiveB2
  /ˈfʌm.bəl/to use the hands clumsily or awkwardly when trying to handle or find something.
• fume

  nounverbverb-intransitiveverb-transitiveC1
  /fjuːm/Gas, smoke, or vapour that is unpleasant or dangerous to inhale.
• fume cupboard

  nounC1+
  /ˈfjuːm ˌkʌb.əd/A ventilated enclosure in a laboratory designed to prevent harmful vapours, gases, or dust from escaping into the main room.
• fumet

  nounVery low
  /ˈfjuːmɪt/The scent of game or wild animals, especially when high; also refers to a concentrated fish stock used in cooking.
• fumeuse

  nounLow/Very Low
  /fjuːˈmɜːz/A female smoker.
• fumigant

  nounC1
  /ˈfjuːmɪɡ(ə)nt/a chemical substance used to kill or repel pests (insects, rodents, etc.) by producing a gas or vapor in an enclosed space.

Showing 5581–5600 of 5868 words.