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