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had been emitting
  • past perfect progressive of emit.

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.

The plant, owned by the company Sterigenics and operating in Willowbrook, had been emitting huge amounts of the carcinogen, known as EtO, for three decades.

From Salon • Jul. 4, 2020

Renato Solidum, the government’s chief volcanologist, said Tuesday that Taal had been emitting lava ever since its eruption, accompanied by significant earthquakes — all pointing to more trouble.

From New York Times • Jan. 14, 2020

The searchers had found the simulated nuclear device, which had been emitting a harmless amount of radiation, in less than two hours.

From Time Magazine Archive

The creature had been emitting cloud after cloud of black fog, and the atmosphere, in spite of the open windows, was dim in its vicinity.

From Astounding Stories of Super-Science July 1930 by Bates, Harry

For three months the crater had been emitting vapors more or less intense, but there bad been no ebullition of mineral matters.

From The Mysterious Island by White, Stephen W.