Meaning : A visual presentation showing how something works.
Example :
The lecture was accompanied by dramatic demonstrations.
The lecturer shot off a pistol as a demonstration of the startle response.
Synonyms : demonstration
Meaning : Give an exhibition of to an interested audience.
Example :
She shows her dogs frequently.
We will demo the new software in Washington.
Synonyms : demonstrate, exhibit, present, show
Demo meaning in Bengali (Bangla).