沉淀 (pinyin: chén diàn, written "chen dian" or "chendian") means (chemistry) to settle; to precipitate. Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 沉淀.
Meaning
(chemistry) to settle; to precipitate
(chemistry) sediment; precipitate
(fig.) (of emotions, thoughts, experience etc) to settle and be absorbed over time; to take shape gradually (through reflection or maturation)