An Etymological Dictionary of Astronomy and Astrophysics

A hypothetical substance that, prior to the discovery of → oxygen, was thought to be released during → combustion. → phlogiston theory.

Etymology (EN): From New Latin, from Gk. phlogiston, neuter of phlogistos “inflammable, burnt up,” from phlogizein “to set on fire, burn,” from phlox “flame, blaze;” from PIE root *bhel- “to shine, burn.”

Etymology (PE): Fložiston, loan from Fr, as above.