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/ˈnæfθəliːn/ · noun
A white crystalline hydrocarbon manufactured from coal tar; used in mothballs..
Use naphthalene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Naphthalene means A white crystalline hydrocarbon manufactured from coal tar; used in mothballs..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use naphthalene where its definition matches the intended context.
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