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has been compounding

  • present perfect progressive
    of compound (3rd person singular).
    compound
    adjective
    composed of two or more parts, elements, or ingredients.

Example Sentences

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See Examples For:

In a bank vault somewhere, a down payment on a dream has been compounding for 26 years.

From Golf Digest May 6, 2020

And I venture to propose that Your Majesty should announce that a great alchemist has been compounding a potion to relieve their blindness.

From The Sunny Side by A. A. (Alan Alexander) Milne