Word · Frequency #10993
excitation
激发；刺激；兴奋
核心释义
The act of exciting, rousing, or setting something in motion; also the excitement produced.
- 1.
激发或运动的行为；唤醒的行为
The act of exciting or putting in motion; the act of rousing up or awakening.
- 2.
产生兴奋(刺激)的行为；也指产生的兴奋
The act of producing excitement (stimulation); also, the excitement produced.
- 3.
器官、组织或部分(如神经细胞)因刺激而产生的活动
The activity produced in an organ, tissue, or part, such as a nerve cell, as a result of stimulation.
- 4.
通过吸收能量量子使原子核、原子或分子过渡到激发态；与弛豫相反
A transition of a nucleus, atom or molecule to an excited state by the absorption of a quantum of energy; the opposite of relaxation.
兴奋；激发；激发或运动的行为；唤醒的行为；产生兴奋(刺激)的行为；也指产生的兴奋；器官、组织或部分(如神经细胞)因刺激而产生的活动
用法In use
The children's excitation grew as the birthday cake was carried into the room.
用法提示：excitation 在此作不可数名词，表示因期待或刺激而产生的兴奋情绪。
His speech before the match caused great excitation among the players.
用法提示：excitation 在此作不可数名词，指引起他人兴奋、激动的行为或效果。
In the experiment, the laser light produced the excitation of the atoms in the gas.
用法提示：excitation 在此作名词，指原子吸收能量后跃迁到激发态的过程。
cause excitation
The sudden noise caused excitation in the auditory nerve.
突然的噪音引起了听觉神经的兴奋。
in a state of excitation
相关词与表达Connections
搭配Collocations
- sexual excitation
- 性兴奋；性唤起
- Sexual excitation is a normal physiological response to erotic stimulation.性兴奋是对色情刺激的正常生理反应。
- neural excitation
- 神经兴奋
- Neural excitation spreads along the axon as an electrical impulse.神经兴奋以电脉冲的形式沿轴突传播。
- electron excitation
- 电子激发
- Electron excitation occurs when the atom absorbs a photon.当原子吸收光子时会发生电子激发。
- excitation energy
- 激发能；激励能
- The excitation energy determines the wavelength of the emitted light.激发能决定了发射光的波长。
- excitation spectrum
学习提示Learner notes
记忆技巧Memory Tip
想象神经受到刺激而兴奋，原子外层电子被激发跃迁，两个场景都带一个“激”字，记住 excitation 既指生理兴奋也指物理激发。
语境与语域Context & Register
语域：formal 常见场景：神经生理学、原子物理、学术论文 excitation 通常用于较正式的书面或学术语境，表示“兴奋、激发或刺激”的过程；日常口语中较少使用。
语法说明Grammar Note
该词属正式、专业用词，常见于生理学与物理学语境，如 nerve excitation（神经兴奋）、excitation state（激发态）；日常表示“兴奋”的常用词是 excitement，两者不宜混用。
发音与拼写Pronunciation & Spelling
与 excitation 押韵的词有 citation、station、vacation、nation，它们都以 /eɪʃən/ 收尾。注意 excite 和 excitement 虽然拼写相似，但发音分别以 /saɪt/ 和 /saɪtmənt/ 结尾，不押韵。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.