| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Heated stone | Mining | A stone that has been artificially heated to the proper temperature with the intention of improving or completely altering its color. The induced color is permanent in varieties, such as hyacinth, burnt amethyst, etc.; less permanent in blue zircon. See also: fired stone. Syn: heat-treated stone; burnt stone. Cf: stained stone. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||