source material

American  

noun

1. original, authoritative, or basic materials utilized in research, as diaries or manuscripts.

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Example Sentences

Fans of the source material can’t be shocked: Act 2 of the musical is notoriously messy, burdened by the necessary “Wizard of Oz” tie-ins and songs that never soar as high as the stirring knockouts in Act 1.

From Salon

That law has angered some allies who were excluded from its benefits, which include generous tax incentives for companies that make electric vehicles in North America or source material for batteries from the United States or countries with which it has a free-trade agreement.

From New York Times

"The Last of Us" is the latest zombie-horror TV show that allows us to look out on to the marked, magnetic topography of imaginative fiction, but it further distances pop-culture audiences from the distinctly Black source material to which it owes its inspiration – the Haitian zonbi.

From Salon

The nine-part series takes its source material from Innocence Project cases, following several wrongfully convicted subjects over three different story arcs.

From Los Angeles Times

For their new study, the researchers aimed to understand how quantum correlations inside a source material, be it a gas or a mineral, would impact the quantum properties of the light bursts coming out, if at all.

From Scientific American