Pronunciation: - ˌ p ə l- ' s ā -sh ə n
Function: noun
Date: 1949
: a pulsation having a short period <a micropulsation of the earth's magnetic field with a period in the range from a fraction of a second to several hundred seconds>
Pronunciation: - ˌ p ə l- ' s ā -sh ə n
Function: noun
Date: 1949
: a pulsation having a short period <a micropulsation of the earth's magnetic field with a period in the range from a fraction of a second to several hundred seconds>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012