ˈhefnə(r)- noun
Usage: usually capitalized H
Etymology: after Friedrich von Hefner -Alteneck died 1904 German electrical engineer
: a German standard unit of luminous intensity equal to about 0.92 of the candela
ˈhefnə(r)- noun
Usage: usually capitalized H
Etymology: after Friedrich von Hefner -Alteneck died 1904 German electrical engineer
: a German standard unit of luminous intensity equal to about 0.92 of the candela
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012