| 释义 |
pu·rine
\ˈpyu̇ˌrēn, -_rə̇n\ noun
(-s)
Etymology: German purin, from Latin purus pure + New Latin uricus uric (from English uric) + German -in -ine
1. : a crystalline base C5H4N4 composed of a pyrimidine ring fused with an imidazole ring that is prepared from uric acid and is the parent of compounds (as allantoin and alloxan) derived from uric acid — compare structural formula
2. : a derivative of purine; especially : purine base |