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macromolecule

American  
[mak-ruh-mol-uh-kyool] / ˌmæk rəˈmɒl əˌkjul /

noun

Chemistry.
  1. a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.


macromolecule British  
/ ˌmækrəʊˈmɒlɪˌkjuːl /

noun

  1. any very large molecule, such as a protein or synthetic polymer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

macromolecule Scientific  
/ măk′rō-mŏl′ĭ-kyo̅o̅l′ /
  1. A large molecule, such as a protein, consisting of many smaller molecules linked together.


Other Word Forms

Etymology

Origin of macromolecule

First recorded in 1885–90; macro- + molecule

Vocabulary lists containing macromolecule

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"These structures can be systematically doped with silver and other ions and engineered to interface seamlessly with perovskites -- transforming DNA from a biological macromolecule into a programmable, multifunctional nanomaterials platform."

From Science Daily ● Aug. 17, 2026

The functional groups in a macromolecule are usually attached to the carbon backbone at one or more different places along its chain and/or ring structure.

From Textbooks ● Jun. 9, 2022

Each macromolecule is broken down by a specific enzyme.

From Textbooks ● Jun. 9, 2022

One of her team's pictures, known as Photo 51, provided the essential insights for Crick and Watson to build the first three-dimensional model of the two-stranded macromolecule.

From BBC ● Feb. 7, 2019

He would be the first person to propose something solidly correct about the structure of a biologically important macromolecule.

From "Double Helix" by James D. Watson

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