A lower limit on the size of a bit on a magnetic storage medium (and hence an upper limit on the data density of that medium) arising from superparamagnetic effects.
Origin
1980s.
Definition of superparamagnetic limit in US English:
superparamagnetic limit
noun
Computing
A lower limit on the size of a bit on a magnetic storage medium (and hence an upper limit on the data density of that medium) arising from superparamagnetic effects.