/ Dictionary / Index S Seaborg: Meaning and Definition of Find definitions for: Sea•borg Pronunciation: (sē'bôrg), [key] born 1912, U.S. chemist: chairman of the Atomic Energy Commission 1961–71; Nobel prize 1951. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seaborg (Thesaurus) seaboot sea-born Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language