| Retene | n. [ Gr. &unr_;&unr_;&unr_; pine resin. ] (Chem.) A white crystalline hydrocarbon, polymeric with benzene. It is extracted from pine tar, and is also found in certain fossil resins. [ 1913 Webster ] |
| 具体性 | [ぐたいせい, gutaisei] (n) concreteness; feasibility [Add to Longdo] |