Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry The
chemical modification of afunctional group with the aim of thereversal ofpolarity of that group.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
German Umpolung
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Examples
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They do give off a certain degree of umpolung, but don't see how you can "guarantee it".
The emotional man. Ann Althouse 2009
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