The collection of trace compounds from gaseous media by cocondensation with a major constituent (e.g. water vapour,
CO2,
N2,
Ar) of the matrix.
Source:
PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2212 (https://doi.org/10.1351/pac199062112167)