had been retarding
- past perfect progressive of retard.
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.
After 1822, Neptune, in passing from E to D, had been retarding Uranus in his orbit from B to A. We have seen it is easy to miss immortality.
From Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work by Warren, Henry White