Standard Lemma guide

psychohistory

noun · 2 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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  • UK: /sʌɪkəʊˈhɪstəɹi/

1

noun

Meaning 1

The scientific study of psychology and motivation in history.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: historiography, history, human-sciences, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A fictional mathematical statistical science of large population dynamics, where mathematical models can predict general futures, based on activities of quadrillions of individuals. The fictional science first occurs in Asimov's 1950s Foundation series, and has since been picked up by other authors for other works.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: literature, media, publishing, science-fiction

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From psycho- + history. * The science-fictional usage was created by Isaac Asimov in the mid-20th century.

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: psykohistoria — psychology in history
  • French: psychohistoire — psychology in history
  • Italian: psicostoria — psychology in history
  • Russian: психоисто́рия (psixoistórija) — psychology in history
  • Turkish: psikotarih — psychology in history