Lewis acid

https://doi.org/10.1351/goldbook.L03508
A @M03986@ (and the corresponding @CT01038@) that is an @E02003@ and therefore able to react with a @L03511@ to form a @L03510@, by sharing the electron pair furnished by the @L03511@. For example:
L03508.png
See also:
coordination
,
dipolar bond
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1135 [Terms] [Paper]