LABELED

verb

1. To put a label (a ticket or sign) on (something).
2. (ditransitive) To give a label to (someone or something) in order to categorise that person or thing.
3. To replace specific atoms by their isotope in order to track the presence or movement of this isotope through a reaction, metabolic pathway or cell.

adjective

1. Having a label, tagged.
2. Defined or described.
3. Having an atom replaced by a radioactive isotope