vibrating pebble mill

vibrating pebble mill

[′vī‚brād·iŋ ′peb·əl ‚mil]
(mechanical engineering)
A size-reduction device in which feed is ground by the action of vibrating, moving pebbles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.