A @M03986@ or @CT01038@ capable of donating a @H02904@ (@P04906@) (see @B00744@) or capable of forming a @C01384@ with an electron pair (see @L03508@).
Source: PAC, 1994,
66, 1077. (
Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1081 [
Terms] [
Paper]
See also: PAC, 1990,
62, 2167. (
Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2170 [
Terms] [
Paper]