 | The present page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page or drafted elsewhere and then moved to this title. Related titles should be described in Substance, while unrelated titles should be moved to Substance (disambiguation). |  |
Look up substance or substances in Wiktionary, the free dictionary.
Substance may refer to:
- Matter, anything that has mass and takes up space