a pleasant smell that frequently accompanies the first rain after a long period of warm, dry weather.
ORIGIN 1960s: blend of petro-‘relating to rocks’ (the smell is believed to be caused by a liquid mixture of organic compounds that collects in the ground) and ichor from Greek Mythology: the fluid that flows like blood in the veins of the gods…
frenetic bubbles and what’s one of the nicest smells there is. what’s not to like ?
“when raindrops land on certain porous surfaces, they can trap tiny air bubbles containing small particles, which then shoot upward, into the air. These aerosols are likely responsible for carrying aromatic elements, along with bacteria and viruses stored in the soil,”
for more on this phenomena and yet another aspect of the magic of water, take a deep breath and click HERE