Excitation or excitement can refer to:

• The excited state of an atom
• The excitation (magnetic) provided with an electrical generator or alternator
• in ethology, provoking of the emotional state of excitement or agitation
  • Psychomotor agitation
  • threat display
  • sexual arousal
  • see also endorphin
  • An emotion of agitation (negative emotion) or arousal (positive emotion), or something that creates such a feeling

Look up excitement in Wiktionary, the free dictionary.

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