bo·ron
noun/ˈbɔːrɒn/
/ˈbɔːrɑːn/
[uncountable] (symbol B)
- a chemical element. Boron is a solid substance used in making steel alloys and parts for nuclear reactors.
硼 Word Originearly 19th cent.: from borax, on the pattern of carbon (which it resembles in some respects).