erasion noun2 •The act of erasing; a rubbing out or obliteration; erasure.If erasions are found in a text occuring verbatim in another author who continues the material erased, then without a doubt that first author in the particular instance is not original. — 1949 •The surgical removal of tissue by scraping.A very considerable time must elapse before an operation can assert that a case of excision or erasion of the knee is thoroughly successful. — 1888 formserasions
