What is Matterless?

The term "matterless" is not a commonly used word in physics or any other field. However, I can suggest some possible interpretations based on the context of your question.

1. Lacking matter: One possible interpretation of "matterless" is that it refers to something that lacks matter or material substance. In this sense, a matterless object or system would be one that does not have any physical substance or mass. This could be relevant in discussions of abstract concepts or theoretical constructs that do not have a physical presence.
2. Without physical properties: Another possible interpretation of "matterless" is that it refers to something that does not have any physical properties or characteristics. For example, a matterless particle might be one that does not interact with other particles through the electromagnetic force or any other physical force. This could be relevant in discussions of hypothetical particles or objects that do not conform to our current understanding of physics.
3. Non-material: In some contexts, "matterless" might be used to describe something that is non-material or spiritual in nature. For example, a matterless entity might be a consciousness or a soul that exists independently of physical matter. This usage is more common in philosophical or religious discussions than in scientific ones.

Without more context, it is difficult to provide a more specific definition of "matterless." However, I hope these suggestions help clarify the possible meanings of this term.