excitation
/ˌeksɪˈteɪʃən/noun
mass noun
1
- technical the application of energy to a particle, object, or physical system, in particular〈技〉给粒子（或物体、物理系统）的能量施用, 尤指：
1.1
- Physics the process in which an atom or other particle adopts a higher energy state when energy is supplied【物理】激发; 激励：
thermal excitation.
热激发（或热激励）。
1.2
- Physiology the state of enhanced activity or potential activity of a cell, organism, or tissue which results from its stimulation【生理】兴奋; 激动。
1.3
- the process of applying current to the winding of an electromagnet to produce a magnetic field励磁。
1.4
- the process of applying a signal voltage to the control electrode of an electron tube or the base of a transistor激励。
2
- the action or state of exciting or being excited; excitement刺激; 兴奋; 激动：
a state of sexual excitation.
性兴奋状态。
词源
late Middle English: from Old French, from late Latin excitatio（n-）, from excitare 'rouse, call forth' （see EXCITE）.