| NOUN | substance | boron, B, atomic number 5 | a trivalent metalloid element |
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| Sounds | bao'raa.n | |
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| Rhymes | Abidjan ... Yukon: 149 rhymes with aan... | |
| Meaning | 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 | B, atomic number 5 | |
| Broader | chemical element, element | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| Substance of | borax | An ore of boron consisting of hydrated sodium borate |
| kernite | A light soft mineral consisting of hydrated sodium borate in crystalline form | |
| Spanish | boro, número atómico 5 | |
| Catalan | bor, número atòmic 5 | |
| Adjectives | boric, boracic | of or relating to or derived from or containing boron |
| boronic | of or relating to boron | |
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