What is matterism?

As an AI language model, I'm not sure what you mean by "matterism." There are a few possible things you might be referring to, so here's some information on some different topics that could be related to "matterism":

• Materialism: This is a philosophical belief that physical matter is the only reality, and that everything, including consciousness, can be explained in terms of physical matter. This view is often contrasted with idealism, which holds that everything, including matter, is ultimately an idea or mental construct.
• Matterism in art: This term could refer to an art movement or style that focuses heavily on materials and the physical properties of the artwork, rather than its representational content. This could include artists who work with unconventional materials or who prioritize texture, color, and other sensory aspects of their work over narrative or meaning. However, I couldn't find any specific example or reference to 'matterism' as an art movement.
• Matterism in physics: I could not find any reference to "matterism" in physics - it's possible that this is a term that isn't in widespread use or that refers to a specific concept in a more niche area of research.
• Matterism as a term: It's possible that "matterism" is simply a term that someone has coined to describe a particular worldview or approach. Without more context, though, it's difficult to say what that might be.

Overall, without more information about where you heard this term or what context it was used in, it's difficult to say exactly what "matterism" might refer to.