on demand

Idioms  

1. When needed or asked for, as in She's always ready to sing on demand, or Nowadays infants are generally fed on demand. This usage is a broadening of this phrase's meaning in finance, that is, “payable on being requested or presented,” as in This note is payable on demand. [Late 1600s]

---

Example Sentences

“Recent models are pointing to warmer-than-expected temperatures in Europe, which could weigh on demand for gas,” analysts at ANZ Research say.

From The Wall Street Journal

The movie, which debuted in select theaters and on demand earlier this month, has successfully threaded a very difficult needle, winning over Sharpe and his fellow enthusiasts by showing the human side of the game’s greatest hero.

From Washington Post

But it has previously argued the tariffs were vital based on demand while more domestic supply comes online.

From Washington Times

"A person charged in any state with treason, felony, or other crime, who shall flee from justice, and be found in another state, shall on demand of executive authority of the state from which he fled, be delivered up, to be removed to the state having jurisdiction of the crime," the Constitution states.

From Salon

Banks have tightened lending standards, which could make it harder for households to access credit, weighing on demand.

From Reuters