substance
/ˈsʌbstəns/
Physical matter; material.
The essential part of anything; the most vital part.
Substantiality; solidity; firmness.
Some textile fabrics have little substance.
Material possessions; estate; property; resources.
a man of substance
A form of matter that has constant chemical composition and characteristic properties.
Drugs (illegal narcotics)
substance abuse
Hypostasis.