abrader

abrade +‎ -er

• (US) IPA^(key): /əˈbɹeɪ.dɚ/

abrader (plural abraders)

1. Something that abrades; a tool or machine for abrading. [from mid-19th c.]
   • 1856, H. A. Dewar, Actuating Mechanism for Rotating Tools, Patent dated 1 March, 1856, in The Practical Mechanic’s Journal, Volume I, p. 232,

     […] provision is made for the attachment thereto of various operating tools, such, for example, as drills, saws, grindstones, polishers, and cutters, or abraders or shapers of various kinds.

   • 1961 February, “Talking of Trains: New L.T. research laboratory”, in Trains Illustrated, page 77:

     In the fabric section, a textile twisting and tearing machine and a "Lissajou curve" [sic] abrader (covering a complete area in overlapping curves) are supplemented by apparatus for evaluating waterproofness, fibre diameter and light-fastness.

   • 2012, G. Domokos and G. W. Gibbons, “The evolution of pebble size and shape in space and time,” arXiv:1109.5707 [physics.geo-ph], p. 2,

     The physical assumption underlying Firey’s model is that the abraded particle (pebble) undergoes a series of small collisions with a very large, smooth abrader, and this might be the case when pebbles are carried by a fast river and collied repeatedly with the riverbed […]

   1. (archaeology) A primitive artifact made of sandstone used for smoothing, sharpening, or shaping.
      • 1993, Nan McNutt and Marilyn Jesmain, Passages: An Archaeology Timeline of Southeast Alaska, U.S. Department of Agriculture, Forest Service, Alaska Region,

        5,000 years ago the people of Southeast Alaska began grinding bone on a sandy stone called an abrader to form the desired shape and sharpness.

   2. (medicine) A surgical instrument used to abrade bone or other tissue.

      a cartilage abrader; a corneal abrader

• dermabrader

• abraser

• Barreda