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transitive verb, intransitive verb, abraded, abrading.
1. to wear down or away by rubbing; scrape off.
△Ex. The skin on Tom's knees was abraded by his fall. Glaciers abrade rocks.
2. to wear down by friction.
△Ex. (Figurative.) His policies [have] steadily abraded Ottawa's relations with Washington (Manchester Guardian Weekly).
adj. abradable.
noun abrader.