PHENOMENON IDEA CONCEPT IDEONOMY ETYMOLOGY WORD CHEMISTRY OXYGEN HYDROGE

To call forth a Concept
A Word is needed
To portray a Phenomenon
a Concept is needed
All three mirror one and the same Reality

Antoine-Laurent Lavoisier (1743-1794) with his wife Marie-Anne-Pierette Paulze (1758-1825)

Note: Lavoisier synthesized his knowledge of physics and chemistry into the fundamental "Law of the conservation Mass", named oxygen and hydrogen and introduced the metric system. Ironcally, tje plebes that replaced French royalty, beheaded him, an omen of what was to follow when the Bolsheviks gained power in Russia or the Camer Rouge in Cambodia.
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was condemned to the Guillotine - one of many examples of useless brutality.