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has been stockpiling

  • present perfect progressive
    of stockpile (3rd person singular).
    stockpile
    noun
    a supply of material, as a pile of gravel in road maintenance.

Example Sentences

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For years Atlantic Alumina has been stockpiling so-called red mud, left over from converting bauxite into alumina, the table-saltlike material that is turned into aluminum in a smelter.

From The Wall Street Journal Feb. 9, 2026

Russia, an important global supplier, has been stockpiling for domestic use.

From Salon Jan. 11, 2023

Elsewhere, Samantha Broad, who runs Lighthouse Toys, an online toy seller based near Cambridge, says she has been stockpiling toys for this Christmas since January.

From BBC Aug. 26, 2022

Boeing, which has been stockpiling the metal in recent months, gets about a third of its titanium from Russia, the Wall Street Journal reported earlier.

From Seattle Times Mar. 7, 2022

The doctor has been stockpiling capital in Washington for years.

From Washington Post Mar. 20, 2020