label - noun

a brief description given for purposes of identification

trade name of a company that produces musical recordings

a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction

an identifying or descriptive marker that is attached to an object

label - verb

• assign a label to; designate with a label
• attach a tag or label to
• pronounce judgment on
• distinguish (as a compound or molecule) by introducing a labeled atom
• distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions

label - thesaurus

judge   mark   pronounce   tag