IPA: //ˌpoʊst.dɪˈluː.vi.ən//
KK: /ˌpoʊstˌdɪluˈviən/
Relating to the time period that comes after a great flood, especially the one mentioned in the Bible.
The postdiluvian landscape was vastly different from what it had been before the flood.
A person or thing that exists after a great flood, often referring to the time period following such an event.
The postdiluvian society had to rebuild their lives after the flood.
Postdiluvian → It is formed from "post-" (meaning after) and "diluvium" (from Latin, meaning flood). The word refers to the time period after a great flood, specifically the biblical flood described in the story of Noah.
Think of 'post-' meaning after and 'diluvium' referring to a flood — this helps you remember that 'postdiluvian' describes the time after a great flood.