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.
Definition of open enrollment for English Language Learners. : 1  a policy or process by which parents may send their children to a different public school than the one in their own community. : 2  a period of time during which you can join something as a member or participant : a period of time during which you can enroll in something.