Wiktionary
boron-11
n. (context isotope English) A stable isotope, (nuclide 11 5 B), having five protons and six neutrons, that makes up about 80% of natural boron.
Usage examples of "boron-11".
The raging nuclear fury in that tortured speck of matter stripped hot protons from surrounding hydrogen atoms and drove them with incredible energy into the now-collapsing nuclei of boron-11 atoms.
Mike and Quent, and the three Chinese fusion techs, were taking turns staying awake to monitor the boron-11 fusion/fission cycle.
A stream of superheated boron-11 has just been emitted by a source behind the asteroid.