WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it
noun.
the quality of being resistant to variation
Word Usage
"Since a cell would be generated through an OOL process, would'nt having to presume the existence of one and the genome in it to refute the contention that a measure of genomic invariance is necessary, not be self-defeating?"