polishing slate
polishing slate · polishing slates
A mineral used for polishing glass, marble, and metals, composed chiefly of silica,…A mineral used for polishing glass, marble, and metals, composed chiefly of silica, with a little alumina, lime, iron oxide, and water.
Meaning
1 senses(countable, uncountable)A mineral used for polishing glass, marble, and metals, composed chiefly of silica, with a little alumina, lime, iron oxide, and water.
Forms
plural: polishing slates| Singular | polishing slate |
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| Plural | polishing slates |
regular
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable