Bedeutung von “substance” — Learner’s Dictionary

substance

noun us uk /ˈsʌbstəns/
The athlete had taken a prohibited substance.Water is the most common substance on earth.The scientists seek to understand the structure of the substance.A mixture of substances are secreted by cells within the stomach.A licence is required for the disposal of hazardous substances.
MATERIAL [ C ]

B2 a solid, liquid, or gas:

a dangerous substance
illegal substances (= illegal drugs)
TRUTH [ U ]

truth or importance:

There's no substance to the allegations.
the substance of sth

the most important part of what someone has said or written

(Definition von “substance” aus dem Cambridge Learner's Dictionary © Cambridge University Press)