frictional

2 definitions found

frictional - Collaborative International Dictionary of English v.0.48 :

  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]

frictional - WordNet (r) 2.1 (2005) :

  frictional
      adj 1: pertaining to or worked or produced by friction;
             "frictional electricity"; "frictional heat"; "frictional
             gearing"