Q: Context: Petrichor (/ ptrkr /) is the earthy scent produced when rain falls on dry soil. The word is constructed from Greek petra, meaning "stone", and ichor, the fluid that flows in the veins of the gods in Greek mythology.

Question: what is the name for the smell of rain?
Let's give stream of consciousness below
To answer the question, consider the following: Petrichor (/ ptrkr /) is the earthy scent produced when rain falls on dry soil. So the answer is Petrichor.