arrosion

== English == === Etymology === From Latin arrodere, arrosum (“to gnaw”). Compare French arrosion. === Noun === arrosion (countable and uncountable, plural arrosions) (medicine) The wasting away of a vessel wall under pressure. (obsolete) A gnawing. === References === “arrosion”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.