abstraction

https://doi.org/10.1351/goldbook.A00045
A chemical reaction or transformation, the main feature of which is the bimolecular removal of an atom (neutral or charged) from a molecular entity. For example:
(proton abstraction from acetone)
(hydrogen abstraction from methane)
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1081 [Terms] [Paper]