green sand en · NOUN
Etymology
Green in the sense of being used in a wet state (akin to green wood).
Meanings
- (countable, uncountable) An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| green sands | Number=Plur | lexicographic |