feedstock

Definition

n. raw material that a factory or power plant uses to make something else, like fuel, plastic, or animal feed. You hear it when people talk about what goes into a process, not what comes out.

n. raw material supplied to an industrial process for conversion into fuel, chemicals, or other products. Typically undergoes chemical transformation rather than direct consumption.

simple

“The plant uses corn as feedstock for fuel.”

contextual

“The new factory turns used cooking oil into biodiesel, so local restaurants supply its main feedstock.”

complex

“As demand for sustainable aviation fuel grows, airlines compete to secure reliable feedstock that does not displace food crops or accelerate deforestation.”

Common phrases and expressions where native English speakers use the word “feedstock” in context.

Verb

01. convert feedstock

“Engineers convert feedstock into renewable diesel through hydrogenation.”

verb + noun

02. feedstock arrives

“Once the feedstock arrives, quality checks begin immediately.”

noun + verb

03. feedstock varies

“The feedstock varies widely in moisture content and purity.”

noun + verb

04. process feedstock

“The facility can process feedstock around the clock with minimal waste.”

verb + noun

05. rely on feedstock

“Many rural plants rely on feedstock from nearby farms.”

verb + prep + noun

Adjective

06. agricultural feedstock

“The biorefinery relies on agricultural feedstock sourced from local farms.”

adj + noun

07. alternative feedstock

“Researchers are testing algae as an alternative feedstock for plastics.”

adj + noun

08. low-carbon feedstock

“Investors favour projects that use low-carbon feedstock to cut emissions.”

adj + noun

Noun

09. feedstock price

“A sharp rise in feedstock price hit small producers hardest.”

noun + noun

10. compete for limited feedstock

“Food and fuel producers increasingly compete for limited feedstock.”

11. convert feedstock into biofuel

“The new reactor can convert feedstock into biofuel in a single step.”

12. diversify the feedstock base

“To reduce risk, producers must diversify the feedstock base.”

Commonly uncountable for material in general; plural feedstocks for different types or sources.

“Lactones are used as feedstocks for biodegradable plastics and polyurethanes, while epoxides are key feedstocks for adhesives, coatings and epoxy resins used in electronic materials.”

Phys.org 3 Oct 2026

“Yet the synthesis of compounds for pharmaceutical research can still depend on fossil feedstocks, high temperatures, strong oxidants and metals that raise costs and complicate purification.”

Phys.org 16 Oct 2026

“The researchers produced such water-loving molecular sponges using various polystyrene packaging materials, old CDs made from polycarbonate and LEGO bricks made of acrylonitrile butadiene styrene as feedstock.”

Phys.org 14 Oct 2026