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macromolecule

[mak-ruh-mol-uh-kyool]
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noun Chemistry.
  1. a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
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Origin of macromolecule

First recorded in 1885–90; macro- + molecule
Related formsmac·ro·mo·lec·u·lar [mak-roh-muh-lek-yuh-ler] /ˌmæk roʊ məˈlɛk yə lər/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for macromolecule

macromolecule

noun
  1. any very large molecule, such as a protein or synthetic polymer
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Derived Formsmacromolecular (ˌmækrəʊməˈlɛkjʊlə), adjective
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

Word Origin and History for macromolecule

1886, from macro- + molecule. Apparently coined in "On Macro-molecules, with the Determinations of the Form of Some of Them," by Anglo-Irish physicist G. Johnstone Stoney (1826–1911). Originally of crystals. Meaning "molecule composed of many atoms" is from 1935, from German makromolekul (1922). Related: Macromolecular.

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Online Etymology Dictionary, © 2010 Douglas Harper

macromolecule in Medicine

macromolecule

(măk′rō-mŏlĭ-kyōōl′)
n.
  1. A very large molecule, such as a protein, consisting of many smaller structural units linked together.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

macromolecule in Science

macromolecule

[măk′rō-mŏlĭ-kyōōl′]
  1. A large molecule, such as a protein, consisting of many smaller molecules linked together.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.