Wearing, Grinding or Rubbing Away by Friction
This page is the CodyCross answer for the clue below from Science Lab, Group 305, Puzzle 2 (Rubber Stoppers).
Question is: Wearing, Grinding or Rubbing Away by Friction
and the answer is: ABRASION
Word Meaning:
ABRASION — The act of abrading, wearing, or rubbing off; the wearing away by friction.
Definitions from Wiktionary.