0 past simple and past participle of demonstrate
1 to show or make something clear:
These numbers clearly demonstrate the size of the economic problem facing the country.
[ + that ] Research has demonstrated that babies can recognize their mother's voice very soon after birth.
These problems demonstrate the importance of strategic planning.
He got a job demonstrating kitchen equipment in a department store.
[ + question word ] The teacher demonstrated how to use the equipment.
2 to express or show that you have a particular feeling, quality, or ability:
3 to make a public expression that you are not satisfied about something, especially by marching or having a meeting:
You need to demonstrate to the examiners that you have more than a literal understanding of the text.
It is impossible to demonstrate conclusively that the factory is responsible for the pollution.
Management have demonstrated almost unbelievable incompetence in their handling of the dispute.
The Australian team soon demonstrated their superiority over the opposition.
I can show you studies which demonstrate that some forms of alternative medicine are extremely effective.
In summary, we have demonstrated that brimonidine is effective in protecting against ischemic retinal injury and in preserving retinal function.
Experiments evaluating the effects of isoproteronol on tissue removed from the heart at surgery demonstrated initial inhibition of contraction with improvements over time.
Some demonstrated the use of technical language, for example 'it did sound very like a scale'.
