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chromium dioxide

noun

  1. a strongly magnetic, black, semiconducting substance, CrO 2 , used as the active material in a type of recording tape.

chromium dioxide

noun

  1. a chemical compound used as a magnetic coating on cassette tapes; chromium(IV) oxide. Formula: CrO 2 Also called (not in technical usage)chrome dioxide

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chromium 51chromium steel

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