bentonite 的定义
Mineralogy.
- a clay formed by the decomposition of volcanic ash, having the ability to absorb large quantities of water and to expand to several times its normal volume.
更多bentonite例句
- The discovery of two large bentonite fields in southwestern North Dakota in 1930 opened up a new mineral resource.
- Sodium sulphate and bentonite are two of the more recent mineral discoveries in North Dakota.