醋酸 (cù suān) — acetic acid

Definition

noun
acetic acid

Examples

  • 醋酸。
    Shí yàn shì lǐ xū yào yì píng cù suān.
    The lab needs a bottle of acetic acid.
  • 醋酸。
    Zhè zhǒng tiáo liào hán yǒu shǎo liàng cù suān.
    This seasoning contains a small amount of acetic acid.
  • 醋酸。
    cù suān Kě yǐ yòng lái qīng xǐ shuǐ gòu.
    Acetic acid can be used to clean limescale.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

醋cùvinegar

醋 is vinegar and 酸 is acid, so the term names the acid found in vinegar.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
酉酉yǒu
Sound part声符shēngfú
昔
昔xī醋cù
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

醋 is formed by placing 酉 beside 昔; 昔 supplies the sound, and 酉 marks the meaning.

Open 醋 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
酉酉yǒu
Sound part声符shēngfú
夋
夋qūn酸suān
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

酸 is built from 酉 and 夋, and 夋 gives the sound.

Open 酸 →

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