Definition of "substance"
noun:
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Physical matter; material.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The essential part of anything; the most vital part.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Considerable wealth or resources.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Drugs (illegal narcotics).
from Wiktionary, Creative Commons Attribution/Share-Alike License
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