主しゅ鎖さ

noun

main chain; principal chain; backbone chain

Chemistry term for the longest continuous chain of atoms in a molecule, especially in organic polymers and nomenclature.

• ポリマーの主しゅ鎖さは炭たん素そ原げん子しで構こう成せいされている。

  The main chain of the polymer is composed of carbon atoms.