dephlogisticated air

IPA(Pronunciation)

/diːflə(ʊ)ˌd͡ʒɪstɪkeɪtid ˈɛə/

Noun

historical uncountable

(chemistry, historical) Oxygen gas, as originally thought to be air deprived of phlogiston (“the hypothetical fiery principle formerly assumed to be a necessary constituent of combustible bodies and to be given up by them in burning”).

Japanese Meaning

歴史的化学の観点では、燃焼現象に関する仮説―燃焼時に放出されるとされた『燐素』（phlogiston）を取り除いた空気、すなわち酸素ガスとして理解される。

What is this buttons?

Lavoisier identified dephlogisticated air as a vital component of respiration experiments in the 18th century.

Google Translation / DeepL Translation

ラヴォアジエは18世紀の呼吸実験において、酸素ガスを重要な成分として特定しました。

Details

Sense（1）

https://books.google.com/books?id=LhhWAAAAYAAJ&pg=PA387 page 387 As I think I have that ſufficiently proved, the fitneſs of air for reſpiration depends on its capacity to receive the phlogiſton exhaled from the lungs, this ſpecies may not improperly be called, dephlogiſticated air. […] https://books.google.com/books?id=LhhWAAAAYAAJ&pg=PA392 page 392 Upon the whole, I think, it may ſafely be concluded, that the pureſt air is that vvhich contains the leaſt phlogiſton: […] and that there is a regular gradation from dephlogiſticated air, through common air, and phlogiſticated air, down to nitrous air; […]

Google Translation / DeepL Translation

Details

dephlogisticated air

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