Bedeutung von “demonstration” — Learner’s Dictionary

demonstration

noun us uk /ˌdemənˈstreɪʃən/
MARCH [ C ]

B2 an occasion when a group of people march or stand together to show that they disagree with or support someone or something:

They're taking part in a demonstration against the causes of climate change.
SHOWING HOW [ C, U ]

an occasion when someone shows how to do something, or how something works:

We asked the sales assistant to give / us a demonstration.
PROOF [ C, U ]

proof that something exists or is true:

This disaster is a clear demonstration of the need for tighter controls.

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