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atomic number 5

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

  1. a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

    noun.substance

    Synonyms b boron

    Source: WordNet 3.0

Nearby words

atomic number 44atomic number 45atomic number 46atomic number 47atomic number 48atomic number 49atomic number 50atomic number 51atomic number 52atomic number 53atomic number 54atomic number 55

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