Precipitation

(source: commons.wikimedia.org)

• precipitation (נִפּוּל, שִׁקּוּעַ)
  • precipitation reaction (תגובת שיקוע)
• precipitate ($\downarrow$) (noun) /-tət/ (משקע)
  • the insoluble product
• precipitate (verb) /-teɪt/
• precipitant
  • (adj.) “that causes precipitation” (Wiktionary)
  • (noun) “A substance that, when added to a solution, causes a dissolved substance to form a precipitate.” (Wiktionary)
• supernate (or supernatant or supernatant liquid) (נוזל עליון)
• examples:
  • $\mathrm{AgNO}{}_3(\mathrm{aq})+\mathrm{NaCl}(\mathrm{aq})\to \underset{\mathrm{precipitate}}{\mathrm{AgCl}(\mathrm{s})\downarrow }+\mathrm{NaNO}{}_3(\mathrm{aq})$