乙酸

yǐsuān

noun #38,584

Meanings

1 acetic acid (CH₃COOH)
2 ethanoic acid

Characters

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

Examples

食醋里含有乙酸。

Shí cù lǐ hányǒu yǐsuān.

Vinegar contains acetic acid.

乙酸的俗名是醋酸。

Yǐsuān de sú míng shì cù suān.

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 (cùsuān, lit. 'vinegar acid'). Both refer to the same compound.

Stroke Order

乙 yǐ

酸 suān