叶酸 (yè suān) — folic acid; folate (vitamin B9)

Definition

noun
folic acidfolate (vitamin B9)

Examples

  • 叶酸。
    Yī shēng jiàn yì yùn fù bǔ chōng yè suān.
    The doctor recommends that pregnant women supplement with folic acid.
  • 叶酸。
    Shēn lǜ sè shū cài zhōng hán yǒu fēng fù de yè suān.
    Dark green vegetables are rich in folic acid.
  • 叶酸。
    Quē fá yè suān kě néng huì yǐng xiǎng tāi ér fā yù.
    A deficiency of folic acid may affect fetal development.

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.

叶 gives leaf, and 酸 gives acid.

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
Sound part声符shēngfú
十
十shí叶yè
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The form 叶 pairs 口 (mouth) with 十 (ten) as an old form meaning cooperate; it later came to mean leaf because it sounded similar.

Open 叶 →

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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