证验 (zhèngyàn): to verify

Meanings

1 to verify
2 to confirm by testing
3 (noun) real results; tangible proof

Characters

证

Examples

实验结果证验了他的理论。

Shíyàn jiéguǒ zhèngyàn le tā de lǐlùn.

The experimental results verified his theory.

这种药已经过临床证验。

Zhè zhǒng yào yǐjīng guò línchuáng zhèngyàn.

This medicine has been clinically verified.

Tips

usage

Slightly more formal than 验证 yànzhèng, with which it shares its meaning and even its characters in reverse order. 证验 places the emphasis on the proof obtained; 验证 emphasizes the act of testing. In modern technical writing 验证 is far more common.