IPA: /ˌmækroʊməˈlɛkjʊlər/
KK: /mækroʊməˈlɛkjələr/
Relating to large molecules made up of many smaller units, often found in biological systems.
Proteins and nucleic acids are examples of macromolecular structures in living organisms.
Macromolecular → It is formed from "macro-" (from Greek "makros", meaning large) and "molecular" (from Latin "molecula", meaning a small mass or particle). The word "macromolecular" refers to large molecules, typically composed of many atoms, such as proteins and polymers.
Think of 'macro' meaning large, and 'molecular' referring to small particles. This helps you remember that 'macromolecular' describes large molecules made up of many smaller parts.