The
phlogiston theory (from the Ancient Greek φλογιστόν phlŏgistón "burning up", from φλόξ phlóx "flame"), first stated in 1667 by Johann Joachim Becher
?, is an obsolete scientific theory that postulated the existence of a fire-like element called "
phlogiston", which was contained within combustible bodies and released during
combustion. The theory was an attempt to explain processes such as
combustion and the rusting of metals, which are now understood as oxidation
?. (wikipedia)
See Also
Akasa
Dissociation
Ether
Fire
Oxygen