use your brain
No one knows
it isnt easy its boring
Oxygen.
dephlogisticated air is oxygen gas; - so called by Dr. Priestly and others of his time.
Joseph Priestly discovered "oxygen" in 1744. He called it "dephlogisticated air."
Joseph Priestley was the man who first discovered oxygen, or as he called it "dephlogisticated air", back in the 18th Century
dephlogisticated muriatic acid
I would pronounce it "KEY-air-an".
(air)-(in)
plein air
hawa