Meaning of BORON
| Pronunciation: | | 'bowrân
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 WordNet Dictionary |
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| | Definition: | | [n] a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder |
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| | Synonyms: | | atomic number 5, B |
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| | See Also: | | borax, chemical element, element, kernite | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Bo"ron\ (b[=o]"r[o^]n), n. [See {Borax}.] (Chem.)
A nonmetallic element occurring abundantly in borax. It is
reduced with difficulty to the free state, when it can be
obtained in several different forms; viz., as a substance of
a deep olive color, in a semimetallic form, and in colorless
quadratic crystals similar to the diamond in hardness and
other properties. It occurs in nature also in boracite,
datolite, tourmaline, and some other minerals. Atomic weight
10.9. Symbol B.
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