Knowing that the water produced by the combustion of alcohol was not pre-existent in that substance but was formed by the combination of its hydrogen with the oxygen of the air, he burnt alcohol and other combustible organic substances, such as wax and oil, in a known volume of oxygen, and, from the
pre-existent הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד