Standard Lemma guide

heptameride

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /hɛpˈtæməɹaɪd/

1

noun

Meaning 1

A thing having seven parts or divisions.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A seven-unit oligomer.

Definition source: English Wiktionary via Wiktextract

Usage: dated

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An interval of pitch equal to 1/7 of a meride, or 1/301 of an octave.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From French heptaméride, from Ancient Greek ἑπτά (heptá, “seven”) + French méride (compare meridian).