noun
macromolecule
Scientific term for a very large molecule, such as a polymer, protein, or nucleic acid. Used in chemistry and biology.
DNAは巨大分子の一種です。
DNA is a type of macromolecule.
巨大分子の構造を解析する。
Analyze the structure of a macromolecule.
高分子 is a more common term for 'polymer' or 'macromolecule' in Japanese, while 巨大分子 is less frequent and more literal ('giant molecule').
Compound of 巨大 (きょだい, 'huge') and 分子 (ぶんし, 'molecule'). A straightforward calque or translation of the English 'macromolecule'.