energy (n.)

1590年代,"表达力",来自法语 énergie (16世纪),来自拉丁语晚期 energia ,来自希腊语 energeia "活动、行动、操作",来自 energos "活跃、工作",来自 en "在"(见 en- (2))。+ ergon "工作,即所做的事;业务;行动"(来自PIE根 *werg- "做")。

被亚里士多德用在"实际、现实、存在"的意义上(与"潜在"相对),但在晚期拉丁语中被误解,之后被理解为"表达的力量",作为召唤现实的精神图景的力量。"力量"在英语中更广泛的含义最早记载于1660年代。科学上的使用是从1807年开始的。 Energy crisis 首次被证明是1970年。

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Definitions of energy from WordNet
energy (n.)
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs;
energy can take a wide variety of forms
Synonyms: free energy
energy (n.)
forceful exertion;
he plays tennis with great energy
Synonyms: vigor / vigour / zip
energy (n.)
enterprising or ambitious drive;
Europeans often laugh at American energy
Synonyms: push / get-up-and-go
energy (n.)
an imaginative lively style (especially style of writing);
his writing conveys great energy
Synonyms: muscularity / vigor / vigour / vim
energy (n.)
a healthy capacity for vigorous activity;
jogging works off my excess energy
Synonyms: vim / vitality
energy (n.)
any source of usable power;
the DOE is responsible for maintaining the energy policy
Energy (n.)
the federal department responsible for maintaining a national energy policy of the United States; created in 1977;
Synonyms: Department of Energy / Energy Department / doe