fTranslate f | into French | into German | into Italian | into Spanish Definition of f abbreviation Grammar feminine. [in combination] (in units of measurement) femto- (10−15): the detection limits of the enzymatic activity tests are between 10 and 500 fg per test (in textual references) folio. Music forte. (in racing results) furlong(s): 2 m 3 f Chemistry denoting electrons and orbitals possessing three units of angular momentum:f-orbitals[f from fundamental, originally applied to lines in atomic spectra] symbol focal length:apertures of f/5.6 to f/11See also f-number. Mathematics a function of a specified variable:the value of f(x) Electronics frequency. f in other Oxford dictionaries Definition of f in the US English dictionary
