a tiny mobile magnetized area within a magnetic material, the basis of one type of solid-state storage medium (magnetic bubble memory).
Compare bubble memory.
Origin of magnetic bubble
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
physics a small round magnetic domain induced by a magnetic field in a thin film of magnetic material, used in certain types of computer memories
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012