microfloppyn.
/ˈmʌɪkrə(ʊ)ˌflɒpi/, U.S. /ˈmaɪkroʊˌflɑpi/ Computing.
A floppy disk smaller than 51/ 4 inches (approx. 13.3 cm) in diameter; esp. one 31/ 2 inches (approx. 8.9 cm) in diameter. Also more fully microfloppy disk, microfloppy diskette.
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society > computing and information technology > hardware > secondary storage > [noun] > magnetic > floppy disk
disc1947
floppy disc1972
diskette1973
floppy1974
microfloppy1977
1977 Electronic Design 11 Oct. 198/1 Dual index and file protect sensors permit recording of data on both sides of a microdiskette on the Wang co Model 82 Micro-Floppy.
1983 Observer 19 June 21/4 The use of the new 3in microfloppy disks looks set to become a standard on the transportables.
1986 Austral. Personal Computer Sept. 76/2 The drive is a 2.5 inch microfloppy, and is the smallest capacity microfloppy around, holding a meagre 64k.
1999 Business Times (Singapore) (Nexis) 23 Apr. 17 The company cited higher sales for microfloppy diskettes and compact discs for the better revenue.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1977