surge
— Noun
– English
~ a sudden or abrupt strong increase; "stimulated a surge of speculation"; "an upsurge of emotion"; "an upsurge in violent crime"
surge suppressor
— Noun
– English
~ electrical device inserted in a power line to protect equipment from sudden fluctuations in current
surge protector
— Noun
– English
~ electrical device inserted in a power line to protect equipment from sudden fluctuations in current