weak collision

https://doi.org/10.1351/goldbook.W06665
A collision between two molecules in which the amount of energy transferred from one to the other is not large compared to \(k_{\text{B}}\ T\) (\(k_{\text{B}}\) is the @[email protected] and \(T\) the absolute temperature).
See:
Boltzmann constant
,
strong collision
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 191 [Terms] [Paper]