| Word | Definitions | Synonyms |
|---|---|---|
| duodecimal | (noun) one part in twelve equal parts | Synonyms: one-twelfth, twelfth, twelfth part |
| duodenum | (noun) the part of the small intestine between the stomach and the jejunum | - |
| duodiode | (noun) an electron tube having two diodes in the same envelope, with either a common cathode or separate cathodes. | - |