Other forms: demonstrations
A demonstration is a public march or gathering to make a point. A peaceful demonstration, join the demonstration, ban the demonstration.
Counting the crowd is contested at every one, because the organisers and the police use different methods and both have an interest. The other sense is showing how something works or proving it — a demonstration of the theorem. Note that the Latin means a pointing out.
1noundemonstrationA public march or gathering to make a point.
“Thousands of people joined the demonstration against the new law.”
2nounshowingA showing of how something works.
“The salesman gave us a demonstration of how the vacuum cleaner works.”
demonstration is a public showing.
Latin demonstratio comes from demonstrare, to point out — de plus monstrare, to show. Monster and muster come from related showing.
Latin
dēmōnstrātiō
Old French
demonstration
Middle English
demonstracioun
English, today
demonstration
Built from
From Middle English demonstracioun, from Old French demonstration, from Latin dēmōnstrātiō, from dēmōnstrō (“show or explain”), from dē- (“of or concerning”) + mōnstrō (“show”). Morphologically demonstrate + ion.
Etymology from Wiktionary, CC BY-SA