英 [prɪˌsɪpɪˈteɪʃ(ə)n] 美 [prɪˌsɪpɪˈteɪʃ(ə)n]
n. 降水（如雨，雪，冰雹）；沉淀，淀析；仓促，鲁莽，轻率；坠落
复数precipitations
precipitation /prɪˌsɪpɪˈteɪʃən/
不可数名词 Precipitation is rain, snow, or hail. 降水
不可数名词 Precipitation is a process in a chemical reaction that causes solid particles to become separated from a liquid. 沉淀; 沉析
the quantity of water falling to earth at a specific place within a specified period of time
the storm brought several inches of precipitation
the process of forming a chemical precipitate
the falling to earth of any form of water (rain or snow or hail or sleet or mist)
同义词： downfall
the act of casting down or falling headlong from a height
an unexpected acceleration or hastening
he is responsible for the precipitation of his own demise
overly eager speed (and possible carelessness)
同义词： haste / hastiness / hurry / hurriedness
降水-引用次数：23664
All these facts play against the production of precipitation.
这些因素均对产生降水极为不利。
降雨-引用次数：148
It is arewarding attempt to simulate precipitation and runoff in these areas.
为解决该类地区的降雨径流模拟做了有益的尝试。
参考来源双超式产流模型的理论及应用研究
沉淀作用
沉积作用
淀积
降水量
沉淀-引用次数：772
In alkaline environment, the precipitation of two salts is much stronger.
两种盐在碱性环境下，沉淀效果更强。
参考来源苹果多酚的分离纯化及抗氧化性研究
沉析法-引用次数：11
In this paper, ultrafiltration process of tea extract, decaffeine process by precipitation and adsorption process with XDA-1 macroporus adsorbent resins are studied.
本文对茶叶水提取液的超滤中试过程，沉析法脱咖啡碱及树脂吸附法分离茶多酚、咖啡碱过程进行了实验研究。
牛奶-引用次数：5
Firstly, a set of experimental apparatus for SAS precipitation processing has been established. The influence of the cosolvent, ethanol, on the precipitation of target protein, from crude milk in the mixed solvent using near- and supercritical CO2 antisolvent was investigated.
首先，建立了一套用于SAS沉淀分离的实验装置，以牛奶中蛋白质为模拟对象，考察了在混合溶剂中超（近）临界抗溶剂CO2沉淀蛋白质时，助溶剂——乙醇对蛋白质沉淀的影响。
参考来源用加压CO
沈淀作用
析出-引用次数：369
The temperature region of precipitation is between 625℃and 925℃in Fe-18Cr-12Mn-0.48N steel.
3、在Fe-18Cr-12Mn-0.48N钢中,析出的温度区间为625-925℃。
参考来源高氮奥氏体不锈钢的组织稳定性研究
降水
新相形成
脱溶
析出-引用次数：8
Aged at the temperature lower than 550℃, it is found that the dislocations provide nucleation site for precipitation and the dispersed precipitates distribute along the dislocation, resulting in the precipitation hardening effect.
在低于550℃时效，沿位错分布着很多细小的析出相，使硬度和导电率在时效初期快速提高。
沉积-引用次数：3
沉淀
沉淀;降水量
降水
降水量
沉淀反应
降水
重在构造，但是此日，任何一个家装企业的老总都会迫切地表示，人才的培养和沉淀(Precipitation)是最重要的。
3104铝合金铸锭均匀化过程中的溶解析出行为 - 中南大学学报（自然科学版、英文版） 关键字: 3104铝合金；均匀化；溶解；析出[gap=1239]Key words: 3104 aluminum alloy; homogenization; dissolution; precipitation
... counterbalance 使平衡，弥补 precipitation 陡降，降水 circulation 流通，循环 ...
precipitate 突如其来的；猛地落下的；急促的
precipitous 险峻的；急躁的，鲁莽的
precipitant 勇往直前的；急促的；突如其来的
precipitating 起沉淀作用的；急落的；猛冲的
precipitate [化学] 沉淀物
precipitant [化学] 沉淀剂
precipitator [化学] 沉淀剂，[矿业] 沉淀器；催促的人
precipitancy 急躁；轻率；鲁莽
precipitin [免疫] 沉淀素
precipitate [化学] 沉淀；猛地落下；冷凝成为雨或雪等
precipitate 使沉淀；促成；猛抛；使陷入
[化学]沉淀，沉淀物；冰雹；坠落；鲁莽
deposit / sludge / sediment / subsidence
Precipitation is influenced by topography among other things.
除其他因素外，降水还受到地形的影响。
Second, most of the precipitation in the Arctic is in the form of snow.
其次，北极的大部分降水形式为雪。
All the models suggest some impact on the distribution of precipitation.
所有的模型都显示出对降水分布的影响。
Most of the planet's evaporation and precipitation take place over oceans.
VOA : special.2011.06.22
How much change in precipitation are we really talking about?
VOA : standard.2010.06.14
One predicted the largest precipitation changes of all, and the other the largest changes in temperature.
FORBES: Countdown To Climate Change: It's Only 297 Years Away!
The monitors also serve as collection stations for precipitation, drinking water, and milk samples.
The more moisture in the air, the less lift and instability are needed to produce precipitation.