hydrogen atom

/ˌhaɪdrədʒən ˌædəm/
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Other forms: hydrogen atoms

Definitions of hydrogen atom
  1. noun
    an atom of hydrogen
    see moresee less
    types:
    acid hydrogen, acidic hydrogen
    a hydrogen atom in an acid that forms a positive ion when the acid dissociates
    deuterium, heavy hydrogen
    an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
    type of:
    atom
    (physics and chemistry) the smallest component of an element having the chemical properties of the element
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