LABELLING

Definition of LABELLING

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