precipitate
noun/prɪˈsɪpɪteɪt/
/prɪˈsɪpɪteɪt/
(chemistry)- a solid substance that has been separated from a liquid in a chemical process
- A yellow precipitate should form immediately.
Word Originearly 16th cent.: from Latin praecipitat- ‘thrown headlong’, from the verb praecipitare, from praeceps, praecip(it)- ‘headlong’, from prae ‘before’ + caput ‘head’. The original sense of the verb was ‘hurl down, send violently’; hence ‘cause to move rapidly’, which gave rise to the current verb and noun senses (early 17th cent.).
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precipitate