Definition of "heptameride" in Anglais

noun

1. A thing having seven parts or divisions.

2. (chemistry, dated) A seven-unit oligomer.

   • 1930, British Chemical Abstracts: Part A, Pure Chemistry, page 317, ISSN 0365-9259. The residue remaining after the separation of the heptameride is colourless and very viscous; there appears little prospect of isolating higher polymerides …
   • 1938, Albert Ernest Dunstan, Benjamin Talbott Brooks (eds), The Science of Petroleum, vol. 4, page 2830, OCLC 313182716. Fractionation of the liquid polymers gave compounds up to the heptameride.
   • 1939, British Chemical Abstracts: Part A, Pure Chemistry, page 602, ISSN 0365-9259. From available v.d. data the existence of polymerides is shown and the relative amounts of various associated forms up to the heptameride have been calc.

3. (music, obsolete) An interval of pitch equal to 1/7 of a meride, or 1/301 of an octave.