phlogiston


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

phlo·gis·ton

 (flō-jĭs′tŏn′, -tən)
n.
A hypothetical substance formerly thought to be a volatile constituent of all combustible substances, released as flame in combustion.

[From Greek, neuter of phlogistos, inflammable, from phlogizein, to set on fire, from phlox, phlog-, flame; see bhel- in Indo-European roots.]

phlogiston

(flɒˈdʒɪstɒn; -tən)
n
(Chemistry) chem a hypothetical substance formerly thought to be present in all combustible materials and to be released during burning
[C18: via New Latin from Greek, from phlogizein to set alight; related to phlegein to burn]

phlo•gis•ton

(floʊˈdʒɪs tɒn, -tən)

n.
a nonexistent chemical that, prior to the discovery of oxygen, was thought to be released during combustion.
[1720–30; < New Latin: inflammability, n. use of Greek phlogistón, neuter of phlogistós inflammable, burnt up; see phlogistic]

phlo·gis·ton

(flō-jĭs′tən)
A colorless, odorless, weightless substance once believed to be the combustible part of all flammable substances and to be given off as flame during burning. In the 18th century, Antoine Lavoisier proved that phlogiston does not exist. See Note at Lavoisier.

phlogiston

Obsolete Chemistry. a hypothetical ingredient thought to be released during combustion. — phlogistic, adj.
See also: Fire
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phlogiston - a hypothetical substance once believed to be present in all combustible materials and to be released during burning
substance - the real physical matter of which a person or thing consists; "DNA is the substance of our genes"
References in periodicals archive ?
Such routine biases may seem trivial in themselves, but they help explain why Brubaker's book rests on a postulate that has all the scientific credibility of the phlogiston theory of heat or the conception of the earth as flat.
The idea of stuffing a carry gun into a pocket, waistband, purse or anywhere else without a holster is now on par with shooting without hearing protection or the phlogiston theory of combustion.
PHLOGISTON A Magnesia mica B Vascular bundle C A hypothetical substance who am I?
If scientific realism is embraced, such as in the case of Zack (2002), then being an eliminativist about the scientific category of race amounts to a metaphysical claim regarding the putative category of race, just as with other displaced pre-scientific notions such as phlogiston, humors, etc.
As a scientific theory, "orgone energy" is as absurd as phlogiston, but borrowed as the core idea for a piece of fiction, it possesses a kind of metaphoric believability.
To be sure, sometimes change does take place in a relatively smooth fashion, as when Lavoisier's description of oxygen led to the abandonment of Becher's phlogiston theory of combustion.
They cover 11 principles of the elements, pyromena: fire's doing, phlogiston, airy something, the sea above, muddy thinking, the quintessence of wit, wet, creeping things: spontaneous generation and material creativity, Earth's prospects, elementality, elemental relations at the edge, elemental love in the Anthropocene, and wandering elements and natures to come.
Lienhard, A Heat Transfer Textbook, Phlogiston Press, 3rd edition, 2002.
Linda Martin Alcoff (2006) writes, "When one realizes the indeterminacy of racial categories, their fluid borders, arbitrary criteria and cultural variety, it may be tempting to adopt a nominalism about race, that race is no more real than phlogiston or witchcraft.
At a lecture I attended, the speaker explained phlogiston, a hypothetical substance once purported to account for fire and combustion; the theory was discredited long ago.
No, no, it's culture--the phlogiston, the luminiferous ether of modern social-science theorizing: "Our culture changes people from introverted lab rats,' as one researcher explained to me, 'into full-blown entrepreneurs.