hydrogen

Nouns

  • (n) a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe atomic number 1, H,

Synonyms

atomic number 1 H

Words of close approximity

hydrogel
hydrogel
hydrogenate hydrogenation hydrogen atom hydrogen azide hydrogen bomb hydrogen-bomb hydrogen bond hydrogen bromide hydrogen carbonate hydrogen chloride hydrogen cyanide hydrogen fluoride hydrogen iodide hydrogen ion hydrogen ion concentration hydrogen peroxide hydrogen sulfide