electron acceptor

https://doi.org/10.1351/goldbook.E01976
  1. A substance to which an electron may be transferred; for example 1,4-dinitrobenzene or the dication 1,1'-dimethyl-4,4'-bipyridyldiium.
    Source:
    PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1109 [Terms] [Paper]
  2. [obsolete] A @L03508@. This usage is discouraged.