boron

beryllium${\displaystyle \longleftarrow }$ 5 ${\displaystyle \longrightarrow }$carbon

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Boron

Pronunciation

• IPA ^(key): /ˈbɔərɒn/

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• Hyphenation: bo‧ron

Noun

Singular boron

Plural none

1. A hard, black, or brown, chemical element with the atomic number 5 and the symbol B.

   The scientist used boron in his experiment.

   A lot of glass is made using boron.