from the GNU version of the Collaborative International Dictionary of English.
- noun A failure to deposit or throw down.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A failure to
depositor throw down.
from Wiktionary, Creative Commons Attribution/Share-Alike License
non- + deposition
Sedimentary basins are not necessarily tectonically "quiet" places - there can be episodes of nondeposition and removal of accumulated sediment (i.e., unconformity development).