English Words Starting With F

• fatty degeneration

  nounLow
  /ˈfæti dɪˌdʒɛnəˈreɪʃən/A pathological condition where normal cells or tissues are replaced by fat cells.
• fatty oil

  nounC1
  /ˌfæti ˈɔɪl/A type of oil derived from animal or plant sources, liquid at room temperature, consisting primarily of triglycerides.
• fatty tumor

  nounLow
  /ˈfæti ˈtjuːmə(r)/A benign, non-cancerous growth consisting primarily of mature fat cells.
• fatuity

  nounC2
  /fəˈtjuː.ɪ.ti/Foolishness or lack of intelligence, to a degree that seems ludicrous or absurd.
• fatwa

  nounC1/C2 (Low Frequency, Specialized)
  /ˈfatwɑː/A legal ruling or opinion issued by an Islamic scholar (mufti) on a point of Islamic law (sharia).
• fatwood

  nounRare
  /ˈfatwʊd/Resin-rich wood from coniferous trees, especially pine, used as a natural firestarter.
• faubourg

  nounLow
  /ˈfəʊbʊəɡ/A district on the outskirts of a city, originally a suburb outside the historic city walls, often with its own distinct character.
• faucaria

  nounVery Low
  /fɔːˈkɛərɪə/A genus of small, clump-forming succulent plants native to South Africa, characterized by toothed leaf margins that resemble jaws.
• fauces

  nounVery Low
  /ˈfɔːsiːz/The anatomical passage from the back of the mouth to the pharynx.
• faucet

  nounB1
  /ˈfɔːsɪt/A device for controlling the flow of a liquid (especially water) from a pipe or container.
• fauchard

  nounExtremely Rare
  /ˈfəʊʃɑːd/A type of medieval pole weapon with a curved blade at the end, used for hooking and cutting.
• fauld

  nounExtremely Rare / Obsolete
  /fɔːld/A piece of plate armor designed to protect the lower torso and upper thighs, specifically the part of a suit of armor below the breastplate.
• faulkner

  nounC1
  /ˈfɔːknə/An English-language surname of Norman origin, derived from a nickname or occupation ('Falconer'), most famously associated with the American author William Faulkner.
• fault

  nounverbverb-intransitiveverb-transitiveB1
  /fɔːlt/A defect, flaw, or imperfection; responsibility for a mistake or problem.
• fault block

  nounC2/Very Low
  /ˈfɔːlt ˌblɒk/A large, distinct block of the Earth's crust bounded by faults.
• fault breccia

  nounC2/Technical
  /ˈfɔːlt ˈbrɛtʃə/A rock consisting of angular rock fragments that have been crushed, ground, and cemented together along a geological fault plane.
• fault line

  nounB2
  /ˈfɔːlt laɪn/A fracture or zone of fractures in the Earth's crust along which rocks have moved.
• fault plane

  nounC2
  /ˈfɔːlt ˌpleɪn/The flat or gently curved surface along which movement occurs during an earthquake, separating two blocks of rock.
• fault scarp

  nounC2
  /ˈfɔːlt ˌskɑːp/A steep slope or cliff formed directly by the displacement of the Earth's crust along a geological fault.
• fault tree

  nounC1/C2
  /ˈfɔːlt triː/A visual, logical diagram used primarily in reliability engineering and safety analysis to systematically map out all potential causes or combinations of causes that could lead to a specified system failure or undesirable top-level event.

Showing 861–880 of 5868 words.