/ Dictionary / Index P paleomagnetism: Meaning and Definition of Find definitions for: pa•le•o•mag•net•ism Pronunciation: (pā"lē-ō-mag'ni-tiz"um or, esp. Brit., pal"ē-), [key] — n. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paleology paleon. Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language