Meaning

A thing having seven parts or divisions..

Definitions by Sense

1. A thing having seven parts or divisions.
2. (chemistry, dated) A seven-unit oligomer.
3. (music, obsolete) An interval of pitch equal to 1/7 of a meride, or 1/301 of an octave.

Example Sentences

The Greeks had Seven Wise Men and Seven Sleepers, and the Pythagoreans saw magic in all the heptamerides.

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.

Sauveur divided the heptameride into two demi-heptamerides. One demi-heptameride is 1/602 of an octave, with frequency ratio 1:2^(1/602) = 1.001 154 or 1.993 cents, very nearly 1/12 of a ditonic comma.

As 301 = 7 × 43, he called each degree a heptameride, which he made = .03987 of an (equal) Semitone.

Sauveur stresses that the difference between the pure 5th (176 heptamerides) and the tempered 5th (175) is equal to 1: so the temperaments of all the other intervals will also be multiples of 1:

Word Forms

• heptamerides
• eptameride

Synonyms for heptameride

Related Words

When Should You Use Heptameride?

Use heptameride when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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