Matter
The property's of a substance.
Antigen is the medical term meaning foreign substance.
The word for that substance is SOLUTE. The term "soluble" describes the action, but is not the term used for the substance.
The technical term for heat contained in a substance is "thermal energy". It refers to the energy that a substance possesses due to its temperature.
That substance is said to be soluble.
The term for separating a substance from contact with others as an island is "isolation."
For a substance the term is molecule, for an element the term is atom.
Another term is chemical compound.
A term used to describe any element or compound is called a substance or substances.
The term that describes the amount of space occupied by a substance is "volume." It refers to the quantity of three-dimensional space enclosed by a substance or object.
A product is a substance that is formed by a chemical reaction.
an element