/ Dictionary / Index P Pupin: Meaning and Definition of Find definitions for: Pu•pin Pronunciation: (py-pēn', p'pēn), [key] 1858–1935, U.S. inventor, physicist, and author, born in Hungary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pupillary pupiparous Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language