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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 manufacturing Chemical elements
(Definition of boron noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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