核酸 (hé suān) — nucleic acid

Definition

noun
nucleic acid

Examples

  • 核酸。
    Yī yuàn yāo qiú suǒ yǒu zhù yuàn bìng rén zuò hé suān jiǎn cè.
    The hospital requires all inpatients to take a nucleic acid test.
  • 核酸。
    hé suān Jiǎn cè jié guǒ yào děng jǐ gè xiǎo shí cái néng chū lái.
    It takes several hours to get the nucleic acid test result.
  • 核酸。
    Zhè zhǒng bìng dú hán yǒu tè shū de hé suān xù liè.
    This virus contains a special nucleic acid sequence.

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.

核hénucleus

核 as nucleus plus 酸 as acid names an acid associated with the nucleus.

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
木木mùtree
Sound part声符shēngfú
亥
亥hài核hé
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

核 pairs 木, a tree, with 亥 to give its sound; it originally named a kind of tree, and its later meanings are borrowed.

Open 核 →

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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