2. Adverb. (chemistry) Describing the isotopic labelling of a compound in which the position and numbering of the labelled nuclides are undefined; such a compound is ''nonselectively labelled'' ¹
¹ Source: wiktionary.com
2. Adverb. (chemistry) Describing the isotopic labelling of a compound in which the position and numbering of the labelled nuclides are undefined; such a compound is ''nonselectively labelled'' ¹
¹ Source: wiktionary.com