/ Dictionary / Index B Bohr radius: Meaning and Definition of Find definitions for: Bohr' ra"dius Pronunciation: [key] — Physics. Physics. (in the Bohr atom) the radius of the electron orbit having the lowest energy. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bohr magneton Bohr theory Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language