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boron

['bɔːrɒn, -ɑːn] n

bors (Borium)

boron A very hard almost colourless crystalline metalloid element that in impure form exists as a brown amorphous powder. It occurs principally in borax and is used in hardening steel ['bɔːrɒn, -ɑːn] n

envir.

bors

Anglais glossaire

Boron ['bɔːrɒn, -ɑːn] abbr.

abrév., écoss.


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