intercalate
/ɪnˈtɜːrkəleɪt/
verb
- To insert or add something, especially a day or month, into a calendar to make it match the solar year.
- To correct the drift, they had to intercalate additional days into the lunar calendar.
- The calendar committee decided to intercalate a leap day in February.
- Ancient astronomers would intercalate an extra month every few years to keep the seasons aligned.
- To insert something between or among other things, especially in a sequence or layer.
- She would intercalate short jokes between the serious parts of her speech to keep the audience engaged.
- The editor chose to intercalate new paragraphs into the middle of the chapter.
- Geologists found layers of volcanic ash intercalated between the sedimentary rocks.
Antonyms