macromoleculen.
/ˌmakrəʊˈmɒlᵻkjuːl/, U.S. /ˈˌmækroʊˈmɑləˌkjul/ Chemistry.† 1. A group of molecules in a crystal bound together in a characteristic shape, which was once believed to account for the symmetry of the crystal. Obsolete.
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the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [noun] > that which accounts for
macromolecule1886
1886 G. J. Stoney in Rep. Brit. Assoc. Advancem. Sci. 1885 989 In iron pyrites, FeS2, the hemihedral form which is characteristic of this mineral..can be traced on from the chemical molecule FeS2 through a macromolecule which includes six of these as sub-molecules, and which is connected with the other similar macromolecules in a regular way.
2. A molecule composed of a very large number of atoms and having a high molecular weight (usually greater than 10 kilodaltons); esp. a molecule of a nucleic acid, a protein, or a polysaccharide.
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the world > matter > chemistry > polymer chemistry > macromolecules > [noun]
macromolecule1924
the world > matter > chemistry > atomic chemistry > [noun] > molecules > marcomolecule
macromolecule1924
1924 Chem. Abstr. 18 3490 Such large mols., which attain the size of colloidal particles, and therefore in which the individual atoms of the colloidal particles are united by normal valences, are designated macro-molecules.
1935 Nature 19 Oct. 626/1 The now generally accepted view that the polymers and condensates must be regarded as constituted of macromolecules formed by the polymerization or condensation of single units.
1959 Sunday Times 5 Apr. 8/6 The macromolecules that are thought to have been the progenitors of living matter.
1969 Sci. Jrnl. Nov. 15/3 The two key macromolecules of living things, proteins and nucleic acids, principally play the parts of catalyst and information carriers respectively.
1992 S. P. Maran Astron. & Astrophysics Encycl. 41/2 A second component formerly thought to be dust recently has been identified with macromolecules, possibly polyaromatic hydrocarbon..molecules.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1886