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have been multiplying
  • present perfect progressive of multiply.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This provides "very little evidence that the yeasts have been multiplying over millennia," he said, adding that he believed they were "relatively recent colonists of the mummy's body".

From Barron's • Jun. 3, 2026

Gold, meanwhile, is likely to remain the haven of choice for investors around the world as geopolitical flashpoints have been multiplying.

From The Wall Street Journal • Feb. 2, 2026

Though the nationwide number of motels dwindled to an estimated 16,000 by 2012, reclamation projects have been multiplying.

From Los Angeles Times • May 15, 2025

Spraying companies, which have been multiplying with the surging demand, say they try to minimize pollinator losses but acknowledge there’s collateral damage.

From Seattle Times • Aug. 18, 2022

New varieties have been multiplying within the past few years from seed.

From Soil Culture by Walden, J. H.