Supposed fire-like element contained within combustible bodies and released during combustion, according to superseded scientific theories of the 17th and 18th centuries.
Ещё 1 When America was a new country, people believed in something called phlogiston .
2 Also, the phlogiston has negative weight, as every school child must know.
3 It was spreading, apparently just under the phlogiston layer, reflecting back the glare.
4 The diamond and charcoal of copper are, as nearly as possible, pure phlogiston .
5 On this principle, then, the metals were compound bodies, earths combined with phlogiston .
6 Later it was held that phlogiston , or fire substance, escaped from materials when they burned.
7 And phlogiston will quench the flame of a rocket, as your expert von Braun discovered.
8 For see you, the upper air is filled with phlogiston , which no man can breathe.
9 Blood gives out phlogiston and receives vital air.
10 Plants were thought to remove phlogiston from the air and therefore burned when they were dry.
11 Now suppose them to sweat in those confined quarters their fat away, their phlogiston , their caloric.
12 By the late eighteenth century the French chemist Antoine-Laurent Lavoisier had replaced phlogiston theory with caloric theory.
13 At first the phlogiston theory seemed to explain in an indisputable way all the known chemical phenomena.
14 Joseph Priestley, the courageous Unitarian and skeptic who discovered oxygen, was a believer in the phlogiston theory.
15 He threw out phlogiston and mephitic airs.
16 His explanations of chemical phenomena were based on the phlogiston theory, in which, like Priestley, he always, believed.
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