[noun]A demonstration of a feeling or quality is a way of expressing it.She gave him a hug as a demonstration of her affection. [C]Huge crowds followed the funeral procession in a public demonstration of grief. [C]There has been little demonstration (= expression) of support for the proposal so far. [U]
DEMONSTRATION
Meaning of DEMONSTRATION in English
Cambridge English vocab. Кембриджский английский словарь. 2012