Meaning of the word "On demand" in English

What does "On demand" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

On demand

US /ɒn dɪˈmænd/
UK /ɒn dɪˈmɑːnd/

Phrase

at any time that someone wants or needs something

Example:
The service provides movies on demand.
You can get technical support on demand.