硝酸

xiāosuān

noun #34,796

Meanings

1 nitric acid

Characters

saltpeter; niter

Examples

HSK 3

实验室里要小心使用硝酸。

Shíyànshì lǐ yào xiǎoxīn shǐyòng xiāosuān.

Be careful when using nitric acid in the lab.

HSK 4

硝酸是一种强酸。

Xiāosuān shì yì zhǒng qiángsuān.

Nitric acid is a strong acid.

Tips

memory

硝 (xiāo) appears in 硝石 (saltpeter, KNO3) - the historical mineral source of nitric acid. 酸 (suān) means 'acid' or 'sour', so 硝酸 reads literally as 'saltpeter acid'.

Stroke Order

硝 xiāo

酸 suān