'''Phlogiston''' was an invisible, intangible substance believed to exist in the 1700s, which purported to explain the phenomenon of [[Fire]]. thanks to [[Lavoisier]] it was widely discarded after the discovery of [[Oxygen]], which fit the observable facts better.
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'''Phlogiston''' was an invisible, intangible substance believed to exist in the 1700s, which purported to explain the phenomenon of [[Fire]]. thanks to [[Lavoisier]] it was widely discarded after the discovery of [[Oxygen]], which fit the observable facts better.<ref>https://www.britannica.com/science/phlogiston</ref>