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Apr 2, 2015 · The smell itself comes about when increased humidity – a pre-cursor to rain – fills the pores of stones (rocks, soil, etc) with tiny amounts of water. While it's only a minuscule amount, it is enough to flush the oil from the stone and release petrichor into the air. This is further accelerated when actual rain arrives and makes contact ...
Mar 31, 2015 · There is some evidence that drought-stricken cattle respond in a restless matter to this “smell of rain”. The smell had actually been described already by a small perfumery industry operating out of India, which had successfully captured and absorbed the scent in sandalwood oil. They called it “matti ka attar” or “earth perfume”.
Mar 31, 2015 · The smell of rain: how CSIRO invented a new word Published: March 30, 2015 9:02pm EDT ... We are thankful to both for the lasting legacy on giving a name to the smell of rain and to Joy for the ...
Mar 31, 2015 · The word is “petrichor”, and it’s used to describe the distinct scent of rain in the air. Or, to be more precise, it’s the name of an oil that’s released from the earth into the air before rain begins to fall. This heady smell of oncoming wet weather is something most Australians would be familiar with – in fact, some scientists now ...
Petrichor. Soil and water being splashed by a raindrop. Petrichor (/ ˈpɛtrɪkɔːr / PET-rik-or) [1] is the earthy scent produced when rain falls on dry soil. The word was coined by Richard Grenfell Thomas from Ancient Greek πέτρα (pétra) 'rock' or πέτρος (pétros) 'stone' and ἰχώρ (ikhṓr), the ethereal fluid that is the ...
Jun 7, 2023 · Geosmin. Geosmin is the primary compound responsible for the smell of rain. The word stems from the Greek words geo (earth) and osme (smell). Geosmin is a bicyclic alcohol produced by certain blue-green algae (cyanobacteria) and bacteria (mainly Actinomyces, such as Streptomyces). The compound has an earthy, musty, or muddy scent.
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Apr 1, 2015 · The story of how the distinct aroma of rain about to fall was explained and given a lyrical name by the CSIRO is an achievement worth celebrating, writes Howard Poynton.
