核物理 (hé wù lǐ) — nuclear physics

Definition

noun
nuclear physics

Examples

  • 核物理。
    Tā dà xué de shí hou zhǔ xiū hé wù lǐ.
    He majored in nuclear physics in college.
  • 核物理。
    hé wù lǐ Shì yì mén yán jiū yuán zǐ hé de xué kē.
    Nuclear physics is a subject that studies atomic nuclei.
  • 核物理。
    Tā zài hé wù lǐ shí yàn shì gōng zuò le hěn duō nián.
    He worked in a nuclear physics lab for many years.

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
物理physics
物wùmatter理lǐprinciple
偏正Modifier + head

核 as nucleus joins 物理, from 物 matter and 理 principle, to mean nuclear physics.

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
Sound part声符shēngfú
勿
勿wù物wù
Same sound today

物 puts 牛 beside 勿: 牛 gives the meaning, and 勿 gives the sound.

Open 物 →

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
玉玉yùjade
Sound part声符shēngfú
里
里lǐ理lǐ
Same sound today

理 pairs 玉 (jade) with 里, which shows how to say it; the jade part points to the old sense of polishing jade.

Open 理 →

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