has been synthesizing
- present perfect progressive of synthesize (3rd person singular).
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.
But Mother Nature has been synthesizing weird and wonderful medicinal chemicals for over three billion years, many of which chemists could not predict or devise in their wildest dreams.
From New York Times • Oct. 2, 2020