macromolecule

noun

mac·ro·mol·e·cule | \ ˌma-krō-ˈmä-li-ˌkyü(ə)l

How to pronounce macromolecule (audio)

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Definition of macromolecule

: a very large molecule (as of a protein or rubber)

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Recent Examples on the Web

Now, samples taken from two different drill sites on an ancient lakebed have yielded complex organic macromolecules that look strikingly similar to the goopy fossilized building blocks of oil and gas on Earth. — Katie Langin, Science | AAAS, "Top stories: toxic toads, three-parent babies in Singapore, and the hunt for the Lost Colony," 8 June 2018 Such a macromolecule might potentially look something like kerogen, Eigenbrode said — a substance that’s found in coal and black shale and meteorites. — Amina Khan, latimes.com, "Curiosity rover's findings on Mars' organic molecules offer tantalizing clues in the search for life on the planet," 8 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'macromolecule.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Last Updated

23 Apr 2019

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Time Traveler for macromolecule

The first known use of macromolecule was in 1924

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More Definitions for macromolecule

macromolecule

noun

mac·ro·mol·e·cule | \ ˌmak-rō-ˈmäl-i-ˌkyü(ə)l

\

Medical Definition of macromolecule

: a very large molecule (as of a protein, nucleic acid, or rubber) built up from smaller chemical structures — compare micromolecule

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