Petrichor ( /ˈpɛtrɨkər/) is the scent of rain on dry earth. The word is constructed from Greek, petra, meaning stone + ichor, the fluid that flows in the veins of the gods in Greek mythology.
I can definitely recognize a distinct smell after it rains. The third graphic in the ‘Aroma Chemistry’ series looks at the chemical compounds that cause the smells before and after rain.
Most beautiful English words: petrichor - the pleasant, earthy smell after rain
Petrichor, as defined by the TARDIS Matrix when inhabiting the body of Idris, was the smell of.