| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Blasting barrel | Mining | A piece of iron pipe, usually about 1/2 in (1.3 cm) in diameter, used to provide a smooth passageway through the stemming for the miner's squib. Itis recovered after each blast and used until destroyed. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
