Standard Lemma guide

isochore

noun · 4 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

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1

noun

Meaning 1

In general, a place or position with relevant parameters matching other places, as in having the same pressure, chemistry, population etc. Even within a single discipline the parameter might vary according to convenience e.g. in physics alone it might refer to velocity, volume, gravity, and many more. cf. contour, isopleth.

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 line drawn on a graph showing the variation of the pressure of a constant volume of gas as it varies with temperature.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A contour showing points of equal vertical thickness of strata; equal to an isopach if strata are horizontal.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A sequence of DNA that has a reasonably constant proportion of pairs of guanine and cytosine bases, and is rich in genes.

Definition source: English Wiktionary via Wiktextract

Topics: biology, genetics, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From iso- + Ancient Greek χώρα (khṓra, “place”).

Across languages

Translations

5 source translations are retained for this English entry.

  • Hungarian: izochor — physics
  • Polish: izochora — physics
  • Russian: изохо́ра (izoxóra) — physics
  • Polish: izochora — geology
  • Polish: izochora — genetics