wrap-around

in comprehensive chromatography
https://doi.org/10.1351/goldbook.09960

Occurrence of second dimension peaks in subsequent elution sequences, caused by second-dimension retention times that exceed the modulation time in comprehensive two-dimensional chromatography.

Source:
PAC, 2017, 90, 181. (Terminology of separation methods (IUPAC Recommendations 2017)) on page 209 [Terms] [Paper]