ionisation

Definitions of ionisation
  1. noun
    the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
    synonyms: ionization
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    type of:
    action, activity, natural action, natural process
    a process existing in or produced by nature (rather than by the intent of human beings)
  2. noun
    the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge)
    synonyms: ionization
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    type of:
    condition, status
    a state at a particular time
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