Search Result for "frictional": 
Wordnet 3.0

ADJECTIVE (1)

1. pertaining to or worked or produced by friction;
- Example: "frictional electricity"
- Example: "frictional heat"
- Example: "frictional gearing"


The 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]
WordNet (r) 3.0 (2006):

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