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isochron

noun

isochron is spelled I-S-O-C-H-R-O-N: 8 letters. It appears about once in every 22 million words in written English, the 143,405th most frequent word form (wordfreq, 2021 data). As a noun, isochron means “A line on a chart linking rock of the same age (as determined from isotope ratios)” (English Wiktionary, September 2026). The plural of isochron is isochrons.

How many letters and syllables are in isochron?

Letters8: I-S-O-C-H-R-O-N
In writingabout once in every 22 million words; the 143,405th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is isochron?

Isochron appears about once in every 22 million words in written English, the 143,405th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of isochron

  • isochrons plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does isochron mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A line on a chart linking rock of the same age (as determined from isotope ratios).

  2. 2

    A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Isochron in Spanish, French, German and Portuguese

In the sense line on a chart linking rock of the same age:

LanguageWords
GermanIsochrone

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does isochron come from?

From iso- + chron.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after isochron