shallowing

shallowing

1. present participle and gerund of shallow

shallowing (plural shallowings)

1. The act of becoming shallower.
   • 1907, Scottish Geographical Magazine, volume 23, page 349:

     The main 200-feet basin is about 8 miles long; it includes three areas of over 300 feet, which, however, are only separated by very slight shallowings.

   • 2018, Tim Flannery, Europe: A Natural History, page 28:

     And this shallowing, reinforced by the creation of mid-ocean ridges as the supercontinents split up, forced the world’s oceans to overflow, changing the outlines of the continents and all but sinking some of the European islands.

• hallowings