聚乙烯 (jù yǐ xī) — polyethylene (a common plastic material)

Definition

noun
polyethylene (a common plastic material)

Examples

  • 聚乙烯。
    Zhè zhǒng jù yǐ xī dài zi hěn jiē shi.
    This kind of polyethylene bag is very sturdy.
  • 聚乙烯。
    jù yǐ xī Shì yì zhǒng cháng jiàn de sù liào cái liào.
    Polyethylene is a common plastic material.
  • 聚乙烯。
    Gōng chǎng yòng jù yǐ xī shēng chǎn gè zhǒng chǎn pǐn.
    The factory uses polyethylene to produce various products.

Origin

Derived word
构词法gòucífǎ
前缀qiánzhuìPrefix

A fixed syllable in front that adds a shade of meaning but carries none of its own.

聚jùpoly-
乙烯
乙yǐeth-烯xīene
偏正Modifier + head

聚 means poly-, 乙 means eth-, and 烯 means ene; together they form polyethylene.

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
乑乑yínthree men
Sound part声符shēngfú
取
取qǔ聚jù
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

聚 is built from 取, which gives the sound, and 乑, drawn as three men, to show people coming together.

Open 聚 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

The origin of 乙 is obscure, with old suggestions including a plant trying to sprout, a fish's intestine or gill bone, or flowing water.

Open 乙 →

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
火火huǒfire
Sound part声符shēngfú
希
希xī烯xī
Same sound today

烯 pairs 火 (fire) with 希, which gives the sound.

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