ˈpēd.ə(r)sən- noun
Usage: usually capitalized P
Etymology: probably after Waldemar Petersen b 1880 German electrical engineer
: a ground-fault neutralizer for high-voltage power circuits
ˈpēd.ə(r)sən- noun
Usage: usually capitalized P
Etymology: probably after Waldemar Petersen b 1880 German electrical engineer
: a ground-fault neutralizer for high-voltage power circuits
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012