Word · Frequency #13494
entropies
熵
entropies is the plural of entropy.
核心释义
热力学中指不能做功的能量的量度。
a thermodynamic quantity representing the energy in a system that is no longer available for doing mechanical work
- 1.
A measure of the disorder present in a system.
- 2.
A measure of the amount of energy in a physical system that cannot be used to do work.
- 3.
The capacity factor for thermal energy that is hidden with respect to temperature.
- 4.
The dispersal of energy; how much energy is spread out in a process, or how widely spread out it becomes, at a specific temperature.
- 5.
A measure of the amount of information and noise present in a signal.
- 6.
The tendency of a system that is left to itself to descend into chaos.
信息熵；熵；[计] 熵
用法In use
When ice melts, the entropy of the water increases.
用法提示：这里 entropy 是名词，指热力学中的熵，表示系统的混乱程度。
In information theory, entropy measures the uncertainty of a random variable.
用法提示：这里 entropy 是名词，指信息论中的熵，表示结果的不确定性。
The engineers calculated the entropy of the gas before designing the engine.
用法提示：这里 entropy 是名词，指热力学中的熵，作为计算的量。
the entropy of [sth]
of 后接系统、物质或信息源，表示“某物的熵”。
The entropy of the gas increased as it expanded.
气体膨胀时，其熵增加了。
entropy [increases/decreases]
主语为 entropy，动词用一般现在时可表示客观规律。
相关词与表达Connections
搭配Collocations
- increase in entropy
- 熵增加
- The second law of thermodynamics describes the increase in entropy in an isolated system.热力学第二定律描述了孤立系统中熵的增加。
- low entropy
- 低熵
- A perfectly ordered crystal has low entropy.完美有序的晶体具有低熵。
- high entropy
- 高熵
- A gas has higher entropy than a liquid.气体的熵高于液体。
- information entropy
- 信息熵
- Information entropy measures the uncertainty of a random variable.信息熵衡量随机变量的不确定性。
- entropy of a system
学习提示Learner notes
记忆技巧Memory Tip
想象有序的牌局被搅乱，熵就是混乱程度；entropy 开头的 en 像 energy，能量耗散后不可用。
语境与语域Context & Register
语域：formal 常见场景：热力学、信息论/通信理论 该词多用于学术或专业语境，常见于物理学和信息论等领域；在日常口语中较少出现。
发音与拼写Pronunciation & Spelling
没有常见词与 entropy 完全押韵（重音在首音节 /ˈen-/），因此这里只列出拼写或末尾音相似的参考词。注意 -trophy 类词结尾读 /fi/ 或 /oʊfi/，不是 /pi/；copy 和 recipe 虽以 /pi/ 结尾，但重音和元音都不同。
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.