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1. Assign a label to; designate with a label
    
2. Attach a tag or label to
   "label these bottles";
   - tag, mark
    
3. Officially declare a judgment on someone
   "They labelled him unfit to work here";
   - pronounce, judge
    
4. Distinguish (as a compound or molecule) by introducing a labelled atom
    
5. Distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions

1. An identifying or descriptive marker that is attached to an object
    
2. A brief description given for purposes of identification
   "the label modern is applied to many different kinds of architecture"
    
3. Trade name of a company that produces musical recordings
   "the artists and repertoire department of a recording label is responsible for finding new talent";
   - recording label
    
4. A radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction

Derived forms: labelled, labels, labeling, labelling

Type of: adjudge, attach, brand, brand name, declare, denominate, description, designate, differentiate, distinguish, hold, mark, marker, marking, marque, radioisotope, radionuclide, secern [rare], secernate, separate, severalise [Brit], severalize, tell, tell apart, trade name

Encyclopedia: Label