[ in-tur-kuh-ley-shuhn ]

  1. the act of intercalating; insertion or interpolation, as in a series.

  2. something that is intercalated; interpolation.

Origin of intercalation

First recorded in 1570–80, intercalation is from the Latin word intercalātiōn- (stem of intercalātiō). See intercalate, -ion

Words Nearby intercalation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use intercalation in a sentence