macroscopicity

noun2

1. •
   The quality or state of being macroscopic.

   • In contrast, permutation-symmetric pure states feature rather low geometric entanglement and strong and robust macroscopicity — 2015
2. •
   A formal measure of the size of a quantum mechanical system or experiment which, while typically larger than the atomic scale, has not undergone decoherence.

   • Macroscopicities of a representative selection of quantum superposition experiments with mechanical systems plotted against their publication date (adapted from [17] with additional data). — 2014