macromolecule
noun
mac·ro·mol·e·cule
ˌma-krō-ˈmä-li-ˌkyü(ə)l 
: a very large molecule (as of a protein or rubber)
Examples of macromolecule in a Sentence
Recent Examples on the Web
The shape that matter or life assumes—whether atom, molecule or macromolecule—cannot be divorced from the subjective forces that, until now, have lingered in the background.
—
Pravir Malik, Forbes.com, 10 July 2025
This strain produces two macromolecules with peculiar and useful properties: one collects at interfaces between liquids that don't mix, and the other is a nanofiber that's a thousand times longer than its sub-nanometer thickness.
—Abhimanyu Ghoshal, New Atlas, 16 May 2025
This is likely due to efforts by manufacturers to address fiber deficiencies by using ingredients such as pseudo-cereals, such as amaranth and quinoa hydrocolloids – meaning water-soluble macromolecules used in gluten-free baked goods made with quinoa flour.
—Sachin Rustgi, The Conversation, 18 Feb. 2025
Nature published Langer’s paper three months later, demonstrating for the first time that non-inflammatory polymers could enable the sustained release of proteins and other macromolecules.
—IEEE Spectrum, 30 Oct. 2024
The hero ingredient is chitosan, a macromolecule sustainably sourced from oyster mushrooms that delivers lasting hold and shine without any stiffness or crunchiness.
—Celia Shatzman, Forbes, 30 Oct. 2024
Due in part to its ability to pass on genetic information, the complex macromolecule, RNA (Ribonucleic Acid), was likely the ultimate precursor to life on earth.
—Bruce Dorminey, Forbes, 30 Oct. 2024
Proteins are versatile macromolecules involved in pretty much every cellular process, including cellular repair and maintenance.
—New Atlas, 21 Oct. 2024
The hero ingredient for both is chitosan, a complex macromolecule sourced from oyster mushrooms.
—Celia Shatzman, Forbes, 30 Sep. 2024
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Pravir Malik, Forbes.com, 10 July 2025
This strain produces two macromolecules with peculiar and useful properties: one collects at interfaces between liquids that don't mix, and the other is a nanofiber that's a thousand times longer than its sub-nanometer thickness.
—Abhimanyu Ghoshal, New Atlas, 16 May 2025
This is likely due to efforts by manufacturers to address fiber deficiencies by using ingredients such as pseudo-cereals, such as amaranth and quinoa hydrocolloids – meaning water-soluble macromolecules used in gluten-free baked goods made with quinoa flour.
—Sachin Rustgi, The Conversation, 18 Feb. 2025
Nature published Langer’s paper three months later, demonstrating for the first time that non-inflammatory polymers could enable the sustained release of proteins and other macromolecules.
—IEEE Spectrum, 30 Oct. 2024
The hero ingredient is chitosan, a macromolecule sustainably sourced from oyster mushrooms that delivers lasting hold and shine without any stiffness or crunchiness.
—Celia Shatzman, Forbes, 30 Oct. 2024
Due in part to its ability to pass on genetic information, the complex macromolecule, RNA (Ribonucleic Acid), was likely the ultimate precursor to life on earth.
—Bruce Dorminey, Forbes, 30 Oct. 2024
Proteins are versatile macromolecules involved in pretty much every cellular process, including cellular repair and maintenance.
—New Atlas, 21 Oct. 2024
The hero ingredient for both is chitosan, a complex macromolecule sourced from oyster mushrooms.
—Celia Shatzman, Forbes, 30 Sep. 2024
Cite this Entry
“Macromolecule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macromolecule. Accessed 30 Jul. 2025.
Copy CitationMedical Definition
macromolecule
noun
mac·ro·mol·e·cule
ˌmak-rō-ˈmäl-i-ˌkyü(ə)l
: a very large molecule (as of a protein, nucleic acid, or rubber) built up from smaller chemical structures compare micromolecule
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