Frictional

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Frictional \Fric"tion*al\, a.
     Relating to friction; moved by friction; produced by
     friction; as, frictional electricity.
     [1913 Webster]
  
     {Frictional gearing}, wheels which transmit motion by surface


        friction instead of teeth. The faces are sometimes made
        more or less V-shaped to increase or decrease friction, as
        required.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  frictional
       adj : pertaining to or worked or produced by friction; "frictional
             electricity"; "frictional heat"; "frictional gearing"