phlogiston
(noun) a hypothetical substance once believed to be present in all combustible materials and to be released during burning
Source: WordNet® 3.1
phlogiston (usually uncountable, plural phlogistons)
(chemistry, historical) The hypothetical fiery principle formerly assumed to be a necessary constituent of combustible bodies and to be given up by them in burning.
• postholing
Source: Wiktionary
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
21 December 2024
(noun) a forest fire fighter who is sent to battle remote and severe forest fires (often for days at a time)
Coffee starts as a yellow berry, changes into a red berry, and then is picked by hand to harvest. The red berry is de-shelled through a water soaking process and what’s left inside is the green coffee bean. This bean then dries in the sun for 3-5 days, where it is then packed and ready for sale.
