What does on demand mean in English?

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on demand Meaning, Definition, Pronunciation, Grammar & Synonyms❤️

0 at any time that someone wants or needs something:
- They believe that abortion should be available on demand.
- The heat-controlled implant delivers insulin on demand.
1 available when a customer wants or asks for something:
- They will sell a voice recognition product as an add-on, on-demand service for their users.
- In the library's warehouse, robots would manage stock and fetch books on an on-demand basis.
- The on-demand economy works by taking a service, such as meal delivery or taxis, and using technology to connect suppliers with consumers.
- HBO says that its on-demand business is not dominated by its hit shows but by the niche interests of its audience.
- Most people in this region do not even have television, let alone on-demand movies.
2 a service for watching films or TV programmes at any time:
- Cable customers pay an extra $6.95 a month for on-demand.

Teachers should be aware of the possibilities the online communities offer in terms of collaborative, on-demand based reciprocal learning, and social searching of information.
This is what we call the on-demand inference.
One problem with on-demand scenarios is that judgment has constrained the search area.
Since policy programs are separate from the system (and integrated only on-demand) they are a convenient means for imposing consistent security restrictions on multiple hosts.
Under ideal instrumental conditions, the modelling team should have on-demand remote access to the survey site on the basis of telepresence.
In fact, on-demand injections have been alleged to be inadequate as a standard of care for pain management.
We are concerned with the development of an on-demand transport system of driverless automatic taxis running on their own dedicated guideway network.
A standard way of accommodating infinite objects in programming (for example, in lazy functional languages) is to use generators and on-demand evaluation.