macromolecule

[ mak-ruh-mol-uh-kyool ]
/ ˌmæk rəˈmɒl əˌkyul /

noun Chemistry.

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

Nearby words

  1. macromastia,
  2. macromelia,
  3. macromere,
  4. macrometeorology,
  5. macromineral,
  6. macromonocyte,
  7. macromutant,
  8. macromutation,
  9. macromyeloblast,
  10. macron

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. 2019


British Dictionary definitions for macromolecule

macromolecule

/ (ˌmækrəʊˈmɒlɪˌkjuːl) /

noun

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

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.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for macromolecule

macromolecule

[ măk′rō-mŏlĭ-kyōōl′ ]

n.

A very large molecule, such as a protein, consisting of many smaller structural units linked together.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for macromolecule

macromolecule

[ măk′rō-mŏlĭ-kyōōl′ ]

A large molecule, such as a protein, consisting of many smaller molecules linked together.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.