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]

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Example Sentences

Philo subscribers can watch it on demand, and episodes can still be encountered on a hunt through the cable hinterlands.

From Salon

South Africa’s rand has surged 17% against the U.S. dollar over the last year as gold and platinum prices have risen on demand for safe-haven assets amid heightened geopolitical tensions.

From The Wall Street Journal

Samsung 005930 1.82%increase; green up pointing triangle Electronics posted stronger-than-expected net profit in the fourth quarter, with earnings at its core semiconductor business rising sharply on demand for advanced chips needed for the artificial-intelligence infrastructure buildout.

From The Wall Street Journal

Kwanwoo also covers markets, companies, North Korean issues and other newsy stories on demand.

From The Wall Street Journal

The two-page letter, obtained by The Times, was stinging and pointed, calling the state’s removal of Racing on Demand machines as “not only misguided but reckless.”

From Los Angeles Times