f

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f • abbr. ∎  farad. ∎  farthing. ∎  father. ∎  fathom. ∎  feet. ∎  Gram. feminine. ∎  female. ∎  [in comb.] (in units of measurement) femto- (10−15). ∎  filly. ∎  fine. ∎  (in textual references) folio. ∎  following. ∎  foot. ∎  form. ∎  Mus. forte. ∎  (in racing results) furlong(s). ∎  franc. ∎  from. ∎ Chem. denoting electrons and orbitals possessing three units of angular momentum: f-orbitals.• symb. ∎  focal length: apertures of f/5.6 to f/11. See also f-number. ∎  Math. a function of a specified variable: the value of f(x). ∎ Electr. frequency.

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