magnetic bay

magnetic bay

[mag′ned·ik ′bā]
(geophysics)
A small magnetic disturbance whose magnetograph resembles an indentation of a coastline; on earth, magnetic bays occur mainly in the polar regions and have a duration of a few hours.
References in periodicals archive ?
Behind another front panel magnetic bay cover, ASUS has a bay which is specifically designed to house this back-up power supply or the ASUS Power pack.