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[ik-sahy-ton, ek-si-ton] /ɪkˈsaɪ tɒn, ˈɛk sɪˌtɒn/

noun, Physics.
a localized, mobile excited state of a crystal, consisting of an electron and a hole bound together.
a mobile neutral entity in a crystalline solid consisting of an excited electron bound to the hole produced by its excitation


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  • Excitonics

    [ek-si-ton-iks, -sahy-] /ˌɛk sɪˈtɒn ɪks, -saɪ-/ noun, (used with a singular verb) Physics. 1. the study of excitons and their use in semiconductors and insulators.

  • Excitor

    [ik-sahy-ter, -tawr] /ɪkˈsaɪ tər, -tɔr/ noun 1. Physiology. a nerve whose stimulation greater action. 2. Archaic. an exciter. /ɪkˈsaɪtə/ noun 1. a nerve that, when stimulated, causes increased activity in the organ or part it supplies 2. a variant spelling of exciter

  • Excitoreflex nerve

    excitoreflex nerve ex·ci·to·re·flex nerve (ĭk-sī’tō-rē’flěks’) n. A visceral nerve that causes reflex action.

  • Excitor nerve

    excitor nerve ex·ci·tor nerve (ĭk-sī’tər) n. A nerve conducting impulses that stimulate increased function.

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