green sand
green sand · green sands
An aggregate of sand, bentonite clay, pulverized coal, and water, used in making…An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.
Meaning
1 senses(countable, uncountable)An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.
Origin
Green in the sense of being used in a wet state (akin to green wood).Green in the sense of being used in a wet state (akin to green wood).
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Forms
plural: green sands| Singular | green sand |
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| Plural | green sands |
regular
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable