What does impervium mean?
Impervium means (science fiction) An impervious substance..
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Pronunciation varies by accent · noun
(science fiction) An impervious substance..
Use impervium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Impervium means (science fiction) An impervious substance..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use impervium where its definition matches the intended context.
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