(jiāo) — glue, gum, adhesive; rubber; resin, sap

Definition

A single written character covering three related sticky substances: adhesive glue (e.g. 胶水), natural or synthetic rubber (橡胶), and plant resin/sap. Pronounce jiāo, not jiā.

noun
gluegumadhesiverubberresinsap

Examples

  • Zhè zhǒng jiāo de nián xìng hěn qiáng.
    This type of glue has strong stickiness.
  • Tā mǎi le yì shuāng jiāo xié.
    He bought a pair of rubber shoes.
  • Shù shàng liú chū le shù jiāo
    Sap flowed out of the tree.

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.

This origin belongs to the traditional form 膠; 胶 is its simplified writing.

Meaning part形符xíngfú
Written in full asròumeat; flesh
Sound part声符shēngfú
liùjiāo
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 膠 pairs ⺼ (meat; flesh) with 翏, which gives the sound.

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