whiten
verb (used with or without object)
to make or become white.
had been whitening
-
past perfect progressiveof whiten.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
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.
More touching evidence was afforded by the bones of men and horses, which, in this solitary region, had been whitening in the blasts of seventy winters.
From History of The Reign of Philip The Second King of Spain Volume The Third and Biographical & Critical Miscellanies by William Hickling Prescott
As for his hair, it had been whitening ever since.
From Major Vigoureux by Sir Arthur Thomas Quiller-Couch
