n.
1.a brief description given for purposes of identification
2.trade name of a company that produces musical recordings
3.a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction
4.an identifying or descriptive marker that is attached to an object label v.
1.assign a label to
2.attach a tag or label to
3.pronounce judgment on
4.distinguish (as a compound or molecule) by introducing a labeled atom
5.distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions