kōseki
1. diluvial epoch
Noun
#189569
1. diluvial epoch
1. Was not a flood.; Was not alluvial.
1. Was a flood.; Was alluvial.
1. If/when flood; If it floods
1. Diluvial; Flood
1. If/when flood; When flooding
1. Not diluvial.; Not flood-related.
1. Probably flood.; Likely a flood.
1. If/when flood; If it flooded
1. Wasn't flooding.; Wasn't a flood.