A type of magnetic tape used to reproduce sound. Audiotapes are composed of a thin plastic substrate coated with a thin layer of magnetic particles, usually ferric oxide (Fe2O3) along with small amounts of chromium dioxide(CrO2).
Synonyms and Related Terms
audiocassette tape; audio tape; magnetic tape
Sources Checked for Data in Record
- Encyclopedia Britannica, http://www.britannica.com Comment: "Sound Recording." Encyclopædia Britannica. 2004. 16 Jan. 2004 .
- Dictionary of Conservation Terms, European Union, 2003