abradant

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An abrasive.
• adjective Abrasive.

from The Century Dictionary.

• Abrading; having the property or quality of scraping.
• noun A material used for grinding, such as emery, sand, powdered glass, etc.

from the GNU version of the Collaborative International Dictionary of English.

• noun A material used for grinding, as emery, sand, powdered glass, etc.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A material used for grinding, as emery, sand, powdered glass, etc.; an abrasive.
• adjective Tending to abrade; causing irritation; abrasive.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a tool or machine used for wearing down or smoothing or polishing
• noun a substance that abrades or wears down