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

Example Sentences

Du Pont says that the chromium dioxide tape not only holds twice as much information per inch as ordinary tape but reproduces high-frequency signals with greater fidelity.

From Time Magazine Archive

Called Crolyn, the patented tape uses chromium dioxide as its magnetic medium in place of conventional iron oxide.

From Time Magazine Archive

Various other oxides of chromium, intermediate in composition between the sesquioxide and trioxide, have been described, namely chromium dioxide, Cr2O3�CrO3, and the oxide CrO3�2Cr2O3.

From Project Gutenberg