BS PD CEN ISO/TS 80004-12:2017 lists terms and definitions relevant to quantum phenomena innanotechnologies.All of these terms are important for nanotechnologies, but it is to be noted that many of them are notexclusively relevant to the nanoscale and can also be used to some extent to refer to larger scales.The list of terms presented does not claim to provide exhaustive coverage of the whole spectrum ofquantum concepts and phenomena in nanotechnology. It covers important phenomena as acknowledgedby many stakeholders from academia, industry, etc.This part of ISO/TS 80004 is intended to facilitate communication between organizations andindividuals in industry and those who interact with them.