A classical viewpoint claims that reality consists of both things and stuff, and that we need a way to discuss these aspects of reality. This is achieved by using +count terms to talk about things while using +mass terms to talk about stuff. Bringing together contributions from internationally-renowned experts across interrelated disciplines, this book explores the relationship between mass and count nouns in a number of syntactic environments, and across a range of languages. It both explains how languages differ in their methods for describing these two fundamental categories of reality,...