phlogiston

noun phlo·gis·ton \ flō-ˈji-stən \

Definition of phlogiston

:the hypothetical principle of fire regarded formerly as a material substance

Recent Examples of phlogiston from the Web

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Origin and Etymology of phlogiston

New Latin, from Greek, neuter of phlogistos inflammable, from phlogizein to set on fire, from phlog-, phlox flame, from phlegein


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