a strongly magnetic, black, semiconducting substance, CrO 2 , used as the active material in a type of recording tape.
a chemical compound used as a magnetic coating on cassette tapes; chromium(IV) oxide. Formula: CrO2 Also called (not in technical usage) chrome dioxide


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  • Chromium-oxide

    noun 1. . noun 1. a bright-green crystalline powder, Cr 2 O 3 , insoluble in water: used in metallurgy and as the pigment chrome green.

  • Chromium-steel

    noun 1. . noun 1. any of various steels containing chromium. noun 1. any of various hard rust-resistant steels containing chromium Also called chromium steel noun 1. another name for chrome steel

  • Chromo

    [kroh-moh] /ˈkroʊ moʊ/ noun, plural chromos. 1. . 1. variant of before a consonant: chromophore. /ˈkrəʊməʊ/ noun (pl) -mos 1. short for chromolithograph combining form 1. indicating colour, coloured, or pigment: chromogen 2. indicating chromium: chromyl chromo- or chrom- pref. Color: chromogenesis.

  • Chromoblast

    chromoblast chro·mo·blast (krō’mə-blāst’) n. An embryonic cell having the potential to develop into a pigment cell.

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