A supply

American  

noun

Electronics.

1. a battery or other source of power for heating the filament or cathode heater of an electron tube.

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Example Sentences

Surging demand from server farms has pushed the surrounding region’s electric-grid operator to the brink of a supply crisis.

From The Wall Street Journal

It threatened to label Anthropic—the only LLM currently cleared to work on classified material—a “supply chain risk,” the Journal reported.

From The Wall Street Journal

Many copper experts agree that the industrial metal could reach a supply deficit this year.

From Barron's

Which of course did not happen, because the way in which this supply shock was channeled through the economy, and was a combination of a supply shock followed by a demand shock—circumstances that none of us could have dreamt before because we never saw a good of the third of economy stop in the way it did.

From The Wall Street Journal

That intensity “is causing a supply shock that we believe is still not well understood,” she said.

From MarketWatch