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 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。
• This might mean more precipitation in the winter which might change the glacier, possibly making it advance.
  这可能意味着冬天更多的降水，这可能改变冰川，或许让它前进。
• 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。
• The present paper is mainly about the relationship between Arctic Sea-Ice and the precipitation of North china.
  文中主要研究了北极海冰与中国华北地区降水的关系。
• Feasibility, the technological process and effect of inclined plate precipitation deoiling devices in waste water treating are presented.
  介绍了斜板沉淀除油器在处理排放废水中的可行性及其工艺流程和处理效果。
• Increased precipitation intensity and variability is projected to increase the risks of flooding and drought in many areas.
  许多地方降水强度和变率的增加将使洪旱危险性上升；
• 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。
• 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。
• 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；
• The precipitation and filtration properties of prussian blue waste water are discussed.
  讨论了华蓝废水的滤过性能和沉降性能。