Online Google Dictionary

rainfall 中文解釋 wordnet sense Collocation Usage Collins Definition
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rainfalls, plural;
  1. The fall of rain

  2. The quantity of rain falling within a given area in a given time
    • - low rainfall

  1. rain: water falling in drops from vapor condensed in the atmosphere
  2. Rain is liquid precipitation, as opposed to non-liquid kinds of precipitation such as snow, hail and sleet. Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface. ...
  3. the amount of rain that falls on a single occasion
  4. Most of the rainfall occurs in the monsoon season from June to September. Rainfall varies from 9.0 to 693 mm/month. Average annual rainfall is 725 mm.
  5. Quantity of rain falling within a given area in a given time, usually the previous 24 hours. Usually expressed in millimetres (mm).
  6. Annual average is approximately 80 inches (2,509 millimeters)
  7. in mm recorded that day, reset at 12am. Rainfall is measured with an accuracy of ±2% for intensities from 24 to 300mm/hr, ±3% for intensities from 300 to 500mm/hr. (TB3A Rain Gauge) 10 second samples are averaged over 5 minutes.
  8. The quantity of water that falls as rain only. Not synonymous with precipitation.
  9. [JP 1-02] (DoD) The water that is precipitated from the base surge clouds after an underwater burst of a nuclear weapon. This rain is radioactive and presents an important secondary effect of such a burst.
  10. the amount of rain in a year, measured in inches or centimeters
  11. The amount of precipitation of any type, primarily liquid. It is usually the amount that is measured by a rain gauge. Refer to rain for rates of intensity and the quantitative precipitation for forecasting.
  12. (1) Precipitation in the form of water. (2) The amount of rain, usually expressed in inches depth of water on an area, that reaches the surface of the earth. ...
  13. Intensity and duration of rainfall both affect erosion rates.  High energy rainfall over short time periods as well as low energy rainfalls over longer periods can produce significant erosion.
  14. Three sets of rain data are recorded by base station and displayed on the on the base station and heavy weather program as total rain, rain in the last 24 hours and rain in the last 1 hour. The information is displayed numerically and graphically for easy reference. ...
  15. Total rainfall (mm) during a set period of time.
  16. enter the average annual rainfall (mm) in your environment.