Word for the smell after a rainstorm

Wiktionary Word definitions in Wiktionary
n. 1 The distinctive scent which accompanies the first rain after a long warm dry spell. 2 The yellow organic oil that yields this scent.

Wikipedia Word definitions in Wikipedia
Petrichor 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. The term was coined in 1964 by two Australian ...