hydrogen
hy-dro-gen
noun
A colourless, odourless, highly flammable gaseous chemical element, the lightest of all.
"Water is formed from hydrogen and oxygen."
Thesaurus
Synonyms: H, atomic number 1
hy-dro-gen
A colourless, odourless, highly flammable gaseous chemical element, the lightest of all.
"Water is formed from hydrogen and oxygen."
Synonyms: H, atomic number 1