label

a brief description given for purposes of identification

“the label modern is applied to many different kinds of architecture”

trade name of a company that produces musical recordings

“the artists and repertoire department of a recording label is responsible for finding new talent”

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

assign a label to; designate with a label

“These students were labelled ‘learning disabled’”

attach a tag or label to

“label these bottles”

pronounce judgment on

“They labeled him unfit to work here”

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