dissipation
dissipation — 名詞
- dissipationsingular
- dissipationsplural
1. the way something spreads out, breaks apart, or slowly fades until it no longer
消散；擴散
逐漸散開或消失的過程
the way something spreads out, breaks apart, or slowly fades until it no longer exists in its original form
The morning sun caused the rapid dissipation of the thick fog over the valley.
早晨的陽光讓山谷中的濃霧迅速消散。
dissipation + of + natural phenomenon
Scientists studied the dissipation of heat from the engine after hours of running.
科學家研究引擎運轉數小時後熱量消散的情況。
The slow dissipation of the smoke took nearly an hour after the campfire died.
營火熄滅後，煙霧緩慢消散了大約一個小時。
With no new members joining, the gradual dissipation of the club became hard to ignore.
由於沒有新成員加入，社團逐漸消散的趨勢已難以忽視。
The dissipation of the crowd after the concert finished was surprisingly quick and orderly.
演唱會結束後，人群消散的速度出乎意料地快速且有秩序。
- dispersal
focuses on the act of scattering rather than the gradual fading implied by dissipation
- diffusion
more technical, emphasising spread through a medium rather than disappearance
- scattering
implies active spreading in different directions, not necessarily fading
- accumulation
the opposite process of gathering or building up
- concentration
bringing things together instead of spreading them apart
文法句型
dissipation + of [something]
用法筆記
Often used with natural phenomena (fog, smoke, heat) or abstract collectives (crowd, interest, opposition). Frequently paired with adjectives like 'gradual', 'slow', or 'rapid'.
常見錯誤
2. the irreversible loss of useful energy from a physical system, often released as
耗散
物理系統中能量的不可逆流失
the irreversible loss of useful energy from a physical system, often released as heat or sound and no longer available for productive work
Friction causes the dissipation of kinetic energy into heat in every moving machine.
摩擦會使每一部運轉中的機器產生動能耗散，轉變為熱能。
dissipation of kinetic energy into heat
Engineers worked to reduce energy dissipation in the new braking system for electric cars.
工程師致力於減少新款電動車煞車系統中的能量耗散。
Thermal dissipation is a critical factor when designing cooling systems for computer processors.
在設計電腦處理器的散熱系統時，熱耗散是一個關鍵因素。
The dissipation of sound waves in the thick carpet made the room feel unusually quiet.
厚地毯造成聲波耗散，讓房間顯得異常安靜。
Solar panels lose some efficiency through the dissipation of heat on very hot afternoons.
在炎熱的午後，太陽能板會因熱量耗散而損失部分效率。
文法句型
dissipation + of [energy/heat/power]
用法筆記
Primarily a physics and engineering term. In thermodynamics, dissipation always implies the conversion of ordered energy into disordered heat that cannot be fully recovered for useful work.
常見錯誤
3. a way of living that centres on excessive physical pleasure, heavy drinking, and
放蕩；縱樂
過度追求享樂而傷害身心
a way of living that centres on excessive physical pleasure, heavy drinking, and other habits that damage a person's health, finances, or moral character
His life of dissipation caught up with him when his health began to fail at fifty.
他放蕩的生活終於在五十歲健康開始惡化時付出了代價。
collocation: a life of dissipation
Stories of her dissipation shocked the conservative town where she grew up.
關於她放蕩行為的傳聞，震驚了她從小長大的保守小鎮。
Omar spent his twenties in a haze of dissipation, gambling away his nights.
Omar 二十幾歲時沉浸在放蕩縱樂之中，晚上賭博，白天睡覺。
After years of dissipation, Kwame decided to change direction and live a quieter, healthier life.
經過多年的放蕩生活，Kwame 決定改變方向，過更安靜健康的日子。
The novel paints a vivid picture of the dissipation of the aristocracy in pre-revolutionary Paris.
這本小說生動描繪了法國大革命前夕貴族階層的放蕩生活。
- debauchery
stronger, emphasising immoral sexual behaviour rather than general self-indulgence
- indulgence
milder and less negative; can refer to occasional treats rather than a lifestyle
- profligacy
combines self-indulgence with wastefulness, especially of money
- restraint
the practice of controlling one's desires and impulses
- moderation
avoiding extremes in behaviour or consumption
文法句型
a life of dissipation
a state of dissipation
用法筆記
Frequently carries a moral judgement: the speaker or writer implies the behaviour is self-destructive or socially unacceptable. Often appears in historical or literary descriptions of elite social circles.
常見錯誤
4. the careless or thoughtless use of money, resources, or assets until little or n
揮霍；浪費
不當消耗金錢或資源
the careless or thoughtless use of money, resources, or assets until little or nothing is left, often through unnecessary or showy purchases
The company's dissipation of its funds on luxury offices soon led to bankruptcy.
這家公司把資金揮霍在豪華辦公室上，很快就導致破產。
dissipation + of + funds
Ananya's dissipation of the family fortune on fast cars angered her parents deeply.
Ananya 把家族財產揮霍在跑車和私人飛機上，讓她的父母十分惱怒。
The dissipation of public money on unnecessary stadium projects drew strong criticism from local voters.
將公款浪費在不必要的體育場項目上，引起了當地選民的強烈批評。
By the time she turned thirty, the dissipation of her savings was nearly complete.
到了三十歲時，她的積蓄幾乎已被揮霍一空。
Critics accused the director of the dissipation of museum funds on personal travel.
評論家指控這位館長將博物館的資金浪費在個人旅遊上。
- squandering
more informal and direct; implies a known opportunity that was wasted
- waste
simpler and broader; dissipation carries a stronger sense of luxurious or careless excess
文法句型
dissipation + of [money/funds/resources/wealth]
用法筆記
Close in meaning to Sense 3 but focused on the financial dimension. Where Sense 3 refers to a lifestyle, Sense 4 refers to the act of wasting specific resources such as money, savings, or public funds.