abrasive (n.) Look up abrasive at Dictionary.com
"an abrasive substance," 1853, from abrasive (adj.). Abradant in this sense is from 1877.
abrasive (adj.) Look up abrasive at Dictionary.com
"tending to wear or rub off by friction," 1805, from Latin abras-, past participle stem of abradere "to scrape away, shave off" (see abrasion) + -ive. Figurative sense of "tending to provoke anger" is first recorded 1925. Related: Abrasively; abrasiveness.