Standard Lemma guide

intercalation

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

A period inserted into a calendar as in a leap year.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The reversible insertion of a molecule between two others.

Definition source: English Wiktionary via Wiktextract

Usage: countable, physical, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A layer introduced into a pre-existing sequence.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

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

an insertion into a calendar

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: embolism

Antonyms: none provided

Broader terms: time interval, interval

History

Etymology

From Latin intercalō, from inter (“among”) + calō (“call out, proclaim”).

Across languages

Translations

9 source translations are retained for this English entry.

  • German: Einschaltung — period inserted into a calendar as in a leap year
  • German: Interkalation — period inserted into a calendar as in a leap year
  • Hungarian: interkaláció — period inserted into a calendar as in a leap year
  • Hungarian: szökőnap beszúrása/betoldása/közbeiktatása — period inserted into a calendar as in a leap year
  • Polish: interkalacja — period inserted into a calendar as in a leap year
  • Romanian: intercalare — period inserted into a calendar as in a leap year
  • Bulgarian: интеркалация (interkalacija) — chemistry: the reversible insertion of a molecule between two others
  • Hungarian: interkaláció — chemistry: the reversible insertion of a molecule between two others
  • Russian: интеркаляция (interkaljacija) — chemistry: the reversible insertion of a molecule between two others