precipitation

英 [prɪˌsɪpɪˈteɪʃn]

美 [prɪˌsɪpɪˈteɪʃn]

n.  降水，降水量(包括雨、雪、冰等); 沉淀; 淀析

复数：precipitations　

TOEFLGREIELTS化学

BNC.17263 / COCA.11784

牛津词典

noun

• 降水，降水量（包括雨、雪、冰等）
  rain, snow, etc. that falls; the amount of this that falls
  1. an increase in annual precipitation
     年降水量的增加
• 沉淀；淀析
  a chemical process in which solid material is separated from a liquid

柯林斯词典

• 降水
  Precipitationis rain, snow, or hail.
• 沉淀；沉析
  Precipitationis a process in a chemical reaction which causes solid particles to become separated from a liquid.

英英释义

noun

• overly eager speed (and possible carelessness)
  1. he soon regretted his haste
  Synonym:hastehastinesshurryhurriedness
• an unexpected acceleration or hastening
  1. he is responsible for the precipitation of his own demise
• the act of casting down or falling headlong from a height
• the falling to earth of any form of water (rain or snow or hail or sleet or mist)
  Synonym:downfall
• the process of forming a chemical precipitate
• the quantity of water falling to earth at a specific place within a specified period of time
  1. the storm brought several inches of precipitation

双语例句

• It plays an increasingly important part in meteorology for cloud, precipitation, hail and thunderstorm detection as well as the navigation of aircraft and ships.
  它在对云层、降水、冰雹和雷暴的气象探测以及在船舰和飞机的导航中，起着日益重要的作用。
• The tempering operation may be described as one of precipitation and agglomeration or coalescence of cementite.
  回火作业可以描述为渗碳体析出和凝聚或聚结的过程。
• Heavy vegetation may intercept a large amount of precipitation on its leaves.
  浓密的植被的叶子中能截留大量的降水。
• Wetland design can moderate peak flow rate and volume of runoff discharge and sediment deposition during precipitation events.
  湿地项目可以缓和雨洪峰值流率及降水过程中的径流排放量和沉淀量。
• Based on path analysis, the contribution ratios of sunshine, temperature and precipitation to winter wheat meteorological yield are calculated, respectively.
  在进行通径分析的基础上，分别计算了日照、温度和降水对冬小麦气象产量的贡献率；
• Oxidation-reduction reactions are important in the solubilization and precipitation of iron and manganese.
  氧化还原反应在铁和锰的增溶和沉淀中具有重要作用。
• The annual precipitation and summer precipitation are very similar in terms of time scales and cycle characteristics.
  年降水量与夏季降水量在时间尺度和周期特征方面非常相似。
• Increase of spring temperature and precipitation promotes early beginning dates of growing season.
  春季温度和降水上升，促进生长季开始日期提前。
• It is an important process for seeded precipitation in sodium aluminate solutions.
  氧化铝生产过程中，铝酸钠溶液的晶种分解是一个非常重要的过程。
• The seasonal change of soil moisture had closed correlation to seasonal change of precipitation.
  土壤含水量的季节性变化，与降水量的季节性变化密切相关。