Glass
/ɡlˈæs/
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Definition
(noun) An amorphous solid, often transparent substance, usually made by melting silica sand with various additives (for most purposes, a mixture of soda, potash and lime is added).
Sentence Examples
Those who live in glass houses should not throw stones.
Is this your glass or your sister's?
CEFR Practice Quiz
Please be careful not to drop the ____ pitcher, as it is very fragile and will shatter into many pieces.