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hydrogen acid: Any acid that contains at least one atom of hydrogen
hydrogen acid: An industrial name for hydrofluoric acid
hydrogen air: a mixture of hydrogen and air used as fuel to a fuel cell
hydrogen air: an early term for hydrogen; hydrogen gas
hydrogen arsenide: The compound arsine, H3As or AsH3
hydrogen bomb: A thermonuclear bomb which derives its destructive power from the fusion of isotopes of hydrogen (deuterium and tritium)
hydrogen bombs: plural form of hydrogen bomb
hydrogen bond: To bond to another species by means of hydrogen bonds. E.g. Water hydrogen bonds with itself
hydrogen bond: A weak bond in which a hydrogen atom in one molecule is attracted to an electronegative atom (usually nitrogen or oxygen) in the same or different molecule
hydrogen bonded: Simple past tense and past participle of hydrogen bond
hydrogen bonding: Present participle of hydrogen bond
hydrogen bonds: plural form of hydrogen bond
hydrogen bonds: Third-person singular simple present indicative form of hydrogen bond
hydrogen bromide: A colourless gas having an irritating smell; it has the molecular formula HBr, and dissolves in water to form hydrobromic acid; it has many industrial applications including the production of barbiturates and synthetic hormones
hydrogen burning: the nucleosynthesis process, in stars of less than 1.2 solar mass, in which hydrogen is converted to helium, deuterium and some lithium