oxygenate
verb (used with object)
to treat, combine, or enrich with oxygen.
had been oxygenating
-
past perfect progressiveof oxygenate.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.
Nicks showed no brain-wave activity and had had no reflexes for hours before his doctors shut off the machine that had been oxygenating the blood in his lungs.
From Time Magazine Archive
