decay
n. 衰退, 腐败 v. (使)衰退, (使)腐败
发音
词形变化
别名
教材释义与例句
衰退， 衰减；腐烂，腐朽
使腐烂，使腐败；使衰退，使衰落
衰退， 衰减；腐烂，腐朽
释义与例句
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1.
Rot; any processes or result of organic matter being gradually decomposed, especially by microbial action.
不可数 生物tooth decay/dental decay—wood-decay fungi—bacterial decay—photochemical decay
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2.
Deterioration of condition; loss of status, quality, strength, or fortune.
不可数civic and moral decay—systemic decay—fall into decay—urban decay—arrested decay—memory decay
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3.
Radioactive decay; decomposition of an atom or its nucleus.
不可数 物理alpha decay—gamma decay—fission decay—decay chain
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4.
Particle decay; decomposition of a sub-atomic particle.
不可数 物理 -
5.
Continuous decrease of a quantity.
不可数exponential decay—decay rate—orbital decay—decay time—decay constant—time decay
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6.
Overthrow, destruction, ruin, death.
废旧 不可数 -
7.
Array decay.
不可数 计算机 工程 数学
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1.
To deteriorate, to get worse, to lose strength or health, to decline in quality.
不及物The pair loved to take pictures in the decaying hospital on forty-third street.
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2.
To deteriorate, to get worse, to lose strength or health, to decline in quality.
To undergo bit rot, that is, gradual degradation.
不及物 商务 工程 物理 电子 -
3.
To deteriorate, to get worse, to lose strength or health, to decline in quality.
To undergo software rot, that is, to fail to be updated in a changing environment, so as to eventually become legacy or obsolete.
不及物 计算机 工程 数学 -
4.
To deteriorate, to get worse, to lose strength or health, to decline in quality.
To undergo prolonged reduction in altitude (above the orbited body).
不及物 物理 -
5.
To rot, to go bad.
不及物The cat's body decayed rapidly.
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6.
To change by undergoing fission, by emitting radiation, or by capturing or losing one or more electrons; to undergo radioactive decay.
不及物 及物 化学 物理 -
7.
Of an array: to lose its type and dimensions and be reduced to a pointer, for example when passed to a function.
不及物 计算机 工程 数学 -
8.
To undergo optical decay, that is, to relax to a less excited state, usually by emitting a photon or phonon.
不及物 及物 物理 -
9.
Loss of airspeed due to drag.
不及物 航空 商务 工程 -
10.
To cause to rot or deteriorate.
及物The extreme humidity decayed the wooden sculptures in the museum's collection in a matter of years.
词汇关系
同义词 4
上位词 1
下位词 10
近义相关 1
相关短语
词源
From Middle English decaien (“to decrease, diminish”) and decai (“deterioration, decline in value”), from Anglo-Norman decaeir (“to fall away, decay, decline”), from Vulgar Latin *dēcadere, etymologically restored form of Latin dēcidere (“to fall down, to fail, sink or perish”), from de- (“of, from, away, down”) + cadere (“to fall”). Compare decadent and decadence.
来源：wiktionary