Origin of frictional
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for frictional
A wheel that drives by the frictional contact of its surface.
In frictional electricity, a series of Leyden jars so arranged as to admit of being charged and discharged together.
The arc light is the result of frictional not chemical electricity.
He conceived of the air giving a frictional force to an object in motion.Our Legal Heritage, 5th Ed.
S. A. Reilly
There always will be, however, some frictional unemployment.State of the Union Addresses of Harry S. Truman
Harry S. Truman