ferrichrome

English

Noun

ferrichrome (countable and uncountable, plural ferrichromes)

1. (biochemistry) A cyclic hexapeptide siderophore produced by some fungi.
2. (often attributive) An audio cassette tape formulation having a five-micron ferric base coated with one micron of chromium dioxide pigment.
   • 1975, Consumer Guide, page 197:

     A cassette containing the new ferrichrome tape came with the unit, and we used this as well as a standard cassette (Maxell) […]

   • 1984, Hi-fi News & Record Review, volume 29, numbers 1-6, page 59:

     Sony's was the only deck to accept ferrichrome tape, which has now become rare. Most decks have ceased to cater for it since the advent of metal tape.