Intercalation

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A period inserted into a calendar as in a leap year. countable, uncountable
  2. 2
    an insertion into a calendar wordnet
  3. 3
    The reversible insertion of a molecule between two others. countable, physical, uncountable
  4. 4
    A layer introduced into a pre-existing sequence. countable, uncountable

    "Their exact relationship to the host-rock is obscure but from their texture and observed metamorphic relationship they are thought to be intrusive dykes rather than intercalations of more basic lava."

Synonyms

All synonyms
asideembolismembolismepisodeinfixinjection

Example

More examples

"The intercalation of additional months was due to the fact that the Babylonian months were lunar."

Etymology

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

Related phrases

intercalation compoundbissextile monthbissextile yearleap dayleap year

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.