Â©Copyright 2004 - 2015 Meaning-of-Names.com-Powered by Swigity, LLC Meaning of Niemann Last Name-Surname-Family Name Niemann.Copyright 2004 - 2015 Meaning-of-Names.com-Powered by Swigity, LLC Meaning of Niemann Last Name-Surname-Family Name Niemann.
open - of a set; containing points whose neighborhood consists of other points of the same set, or being the complement of an open set; of an interval; containing neither of its end points.
OPEN OR OPEN CIRCUIT - An open or open circuit occurs when a circuit is broken, such as by a broken wire or open switch, interrupting the flow of current through the circuit. It is analogous to a closed valve in a water system.