Definition, Meaning & Synonyms

hydrogen

noun
/ˈhaɪdrəʤən/
Definition
Hydrogen is a colorless, odorless, and tasteless gas that is the lightest and most abundant element in the universe.
Examples
  • Hydrogen is used as a fuel in hydrogen fuel cells.
  • Water is made up of two hydrogen atoms and one oxygen atom.
  • The sun generates energy through the fusion of hydrogen atoms.
Meaning
It is a key component of water and organic compounds and plays an essential role in various chemical reactions, particularly in the formation of acids and bases.
Synonyms
  • H
  • atomic number 1