A quick definition of admixture:

Admixture: When you mix things together, it's called admixture. It can also mean a substance that is made by mixing different things.

Admonition: An admonition is when someone in charge gives you advice or a warning. It can be a judge telling the jury what they should or shouldn't do, or a teacher telling a student to behave better.

Admonitio Trina: A long time ago, if someone was accused of a very serious crime, they would be given three warnings that if they didn't answer questions about the crime, they could be punished by death. This was called admonitio trina.