| There is no case where a country retrogressed. |
| Kelyphite is a fine grained, fibrous and radially oriented mineral assembly surrounding partially retrogressed garnet. |
| Europe had retrogressed almost to a primitive way of life, wherein learning was preserved largely in the monasteries. |
| A lot of what is on our airwaves is not the kind of thing we want to institutionalise, and to not have a code, we think we have retrogressed. |
| Melanie let out a few barks, but slowly they retrogressed to a bitter growl. |
| The second, much larger, event was initiated by the first but retrogressed into the thick gully fill rather than into the full backscarp from the first event. |
