- ar|chae|o|mag|net|ism
- ar|chae|o|mag|net|ism «AHR kee uh MAG nuh tihz uhm», noun.the measurement of residual magnetism, used as a method to determine the age of an archaeological specimen by relating the permanent magnetism it acquired at its creation to the amount of magnetism retained at the time of measurement.
Useful english dictionary. 2012.