micropulsation


Also found in: Dictionary.

micropulsation

[¦mī·krō·pəl′sā·shən]
(geophysics)
A short-period geomagnetic variation in the range of about 0.2-600 seconds, typically exhibiting an oscillatory waveform.
References in periodicals archive ?
Finally, there is a group of periodic magnetic perturbations called short-period variations, or magnetic micropulsations.