the subject or study of the structure of atoms and their compounds and the relationship between these. —SHSBC Binder 33 Approved Glossary, —PDC Volume 1 Approved Glossary, —PDC 2 Approved Glossary, —PDC Volume 8 Approved Glossary, —HEV Approved Glossary, —NED Approved Glossary, —HDATapes (Oakland Lectures) Approved Glossary (16.4.92)