excitation

English dictionary entry

Meanings

noun
  1. The act of exciting or putting in motion; the act of rousing up or awakening.
  2. The act of producing excitement (stimulation); also, the excitement produced.
  3. The activity produced in an organ, tissue, or part, such as a nerve cell, as a result of stimulation.
  4. A transition of a nucleus, atom or molecule to an excited state by the absorption of a quantum of energy; the opposite of relaxation.

Pronunciation

/ˌɛksaɪˈteɪʃən/ /ˌɛksɪˈteɪʃən/ LL-Q1860 (eng)-Vealhurl-excitation.wav

Word forms

excitation excitations

Etymology

From Middle English excitacion, excitacioun, from Old French excitation, from Latin excitātiō. Morphologically excite + -ation.

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