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Topic: CHEMISTRY


precipitation

noun
     
pre‧cip‧i‧ta‧tion
1 [uncountable] technicalHEM rain, snow etc that falls on the ground, or the amount of rain, snow etc that falls
2 [uncountable and countable] technicalHC a chemical process in which a solid substance is separated from a liquid
3 [uncountable] formal the act of doing something too quickly in a way that is not sensible
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