| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Extractor-operator helper | Occupations | Feeds wood chips into digesters used in steam distillation process for extracting crude turpentine: Seals cover to opening at bottom of digester. Starts conveyor to fill digester with wood chips through charging hole at top. Seals cover to charging hole. Removes cover on hole at top of digester to dump spent wood from digester at end of extraction process. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
