| Domain | Definition | ||
| Mining | A. A brown resin, occurring with amber b. A brown variety of retinite having a very high oxygen content (20% to23%). (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Webster's Online Dictionary |
| Domain | Definition | ||
| Mining | A. A brown resin, occurring with amber b. A brown variety of retinite having a very high oxygen content (20% to23%). (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
