() — (bound form) magnetism; magnetic

Definition

Cí is a bound morpheme meaning 'magnetic', used almost entirely in scientific/technical compounds like 磁场 (magnetic field) and 磁卡 (magnetic card). Don't use it as a standalone word.

bound form
magnetismmagnetic

Examples

  • Zhè kuài cí tiě xī zhù le hěn duō dīng zi.
    This magnet attracted a lot of nails.
  • Dì qiú de cí chǎng bǎo hù wǒ men miǎn shòu tài yáng fēng de shāng hài.
    Earth's magnetic field protects us from solar wind.
  • Yòng cí kǎ shuā yí xià jiù néng kāi mén.
    You can open the door by swiping a magnetic card.

Origin

Sound + meaning
六书liùshū
形声xíngshēng

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
shírock; stone
Sound part声符shēngfú
Same sound today

磁 is built from 石, meaning rock or stone, and 兹, which gives the sound.

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