hydrogen
Meaning
A chemical element that is the lightest gas, has no color, taste, or smell, and combines with oxygen to form water.
Structure
Usage
Hydrogen is the most abundant element in the universe.
The balloon was filled with lighter-than-air hydrogen.
A hydrogen fuel cell generates electricity through a chemical reaction.
Etymology
The word "hydrogen" was coined in the late 18th century from French hydrogène, itself constructed from Greek elements. It literally means "water-producer," a name directly reflecting its most fundamental chemical property. When hydrogen gas burns in air, it combines with oxygen to form water (H₂O). This nomenclature, established by French chemist Antoine Lavoisier, logically ties the element's ancient Greek descriptive roots to its defining modern scientific role.
Analysis
- hydr: From Greek hydōr (water). A combining form meaning "water" or "hydrogen." - gen: From Greek -genēs (born of, produced from). A suffix meaning "producer" or "that which produces."