Meaning of jù:
jù
聚
Verb
to assemble; to gather (transitive or intransitive)
Péngyǒumen jìhuà yīqǐ jùcān.
朋友们计划一起聚餐。
Friends plan to have a meal together.
Prefixe
(chemistry) poly-
Zài huàxué zhōng, jù héwù shì yóu xǔduō fēnzǐ zǔchéng de dà fēnzǐ.
在化学中,聚合物是由许多分子组成的大分子。
In chemistry, a polymer is a macromolecule made up of many molecules.