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Showing words for HYDROGEN using the English dictionary
8 Letter Words for Hydrogen
7 Letter Words for Hydrogen
6 Letter Words for Hydrogen
5 Letter Words for Hydrogen
4 Letter Words for Hydrogen
3 Letter Words for Hydrogen
Definitions for Hydrogen
[1] a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol : H; atomic weight : 1.00797; atomic number : 1; density: 0.0899 g/l at 0°C and 760 mm pressure.
[2] a flammable colourless gas that is the lightest and most abundant element in the universe. It occurs mainly in water and in most organic compounds and is used in the production of ammonia and other chemicals, in the hydrogenation of fats and oils, and in welding. Symbol: H; atomic no: 1; atomic wt: 1.00794; valency: 1; density: 0.08988 kg/m³; melting pt: –259.34°C; boiling pt: –252.87°C See also deuterium, tritium (as modifier ) hydrogen bomb
Words nearby Hydrogen
hydroforming, hydroformylation, hydrofracking, hydrofracturing, hydrogel, hydrogen, hydrogen bomb, hydrogen bond, hydrogen bromide, hydrogen carbonate, hydrogen chloride
Origin of Hydrogen
From the French word hydrogène, dating back to 1785–95. See hydro-1, -gen
Word origin for Hydrogen
C18: from French hydrogène, from hydro- + -gen ; so called because its combustion produces water