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English definition of “boron”


noun [U]     /ˈbɔː.rɒn/ US  /ˈbɔːr.ɑːn/ (symbol B)
a hard, yellow-brown chemical element used in nuclear reactors to absorb neutrons and in various compounds that are important in manufacturingChemical elements
(Definition of boron noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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