revolutionize
verb (used with object)
to bring about a revolution in; effect a radical change in.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
NAUDET, a picture-dealer who for some years had been revolutionizing the trade.
From A Zola Dictionary; the Characters of the Rougon-Macquart Novels of Emile Zola; by J. G Patterson