PHLOGISTONS

Noun

phlogistons

plural of phlogiston

Source: Wiktionary


PHLOGISTON

Phlo*gis"ton, n. Etym: [NL., fr. Gr. Phlox.] (Old Chem.)

Definition: The hypothetical principle of fire, or inflammability, regarded by Stahl as a chemical element.

Note: This was supposed to be united with combustible (phlogisticated) bodies and to be separated from incombustible (dephlogisticated) bodies, the phenomena of flame and burning being the escape of phlogiston. Soot and sulphur were regarded as nearly pure phlogiston. The essential principle of this theory was, that combustion was a decomposition rather than the union and combination which it has since been shown to be.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

20 June 2025

MODEST

(adjective) marked by simplicity; having a humble opinion of yourself; “a modest apartment”; “too modest to wear his medals”


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