结晶 jiéjīng to crystallize
to crystallize; crystallization; crystal; crystalline; (figuratively) the fruit (of labor etc)
How to remember 结晶: 结 tie up + 晶 crystal = to crystallize.
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How it is used
- Literally 'to crystallize/a crystal', but very common as a warm metaphor - 爱情的结晶 (àiqíng de jiéjīng) the fruit of love (i.e. a child).
- Figuratively 'the precious product' of effort: 智慧的结晶 (zhìhuì de jiéjīng) the crystallization of wisdom.
- The metaphorical use is affectionate and elevated; the literal sense is scientific.