乙酸

yǐsuān

noun #38,584

Meanings

1 acetic acid (CH₃COOH)
2 ethanoic acid

Characters

second (heavenly stem); eth- (chemistry prefix)

Examples

HSK 7-9

食醋里含有乙酸。

Shícù lǐ hányǒu yǐsuān.

Vinegar contains acetic acid.

HSK 7-9

乙酸的俗名是醋酸。

Yǐsuān de súmíng shì cùsuān.

The common name for acetic acid is 'vinegar acid'.

Tips

usage

乙酸 is the formal/IUPAC-style name (乙 = 'ethan-' in Chinese chemistry). The everyday name is 醋酸 (lit. 'vinegar acid'). Both refer to the same compound.

Stroke Order

乙 yǐ

酸 suān