intercalation
1 synonym for intercalation, grouped by meaning and by how common each one is.
Noun — A period added into a calendar, as happens in a leap year.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Came from Latin intercalō, formed from inter (“among”) and calō (“call out, proclaim”).
Full origin of intercalation →