noun
: a telegraphic or radio time signal sent out from a station whose longitude is known and received at other stations whose longitude is to be determined from the differences in local time
noun
: a telegraphic or radio time signal sent out from a station whose longitude is known and received at other stations whose longitude is to be determined from the differences in local time
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012