Meaning of substance in English
1. anything that you can see or touch, not merely imagined; touchable reality
Ghosts have no substance.
This substance consists of only one element.
3. a particular type of matter
chemical substances
a poisonous substance
4. the most important part of something; real content
His speech is all form, no substance.
5. the general meaning of something spoken or written; main point
the substance of his speech