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Tiông-ha̍p-thé (Eng: polymer), chē-chē hòa-ha̍k tan-goân têng-ho̍k pâi lia̍t khan chò tōa hun-chú (macromolecule), koh saⁿ kat kò͘-sêng ê bu̍t-chit ia̍h châi-liāu.