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intercalate

Pronunciation: /ɪnˈtəːkəleɪt, ˌɪntəkəˈleɪt/

Definition of intercalate

verb

[with object]

1insert (an intercalary period) in a calendar: a system was introduced to intercalate an extra month in the calendar

2insert (something) between layers in a crystal lattice, geological formation, or other structure: (as adjective intercalated)the interlayer spaces of the graphite host lattice are filled with intercalated layers

Derivatives

intercalation

Origin:

early 17th century: from Latin intercalat- 'proclaimed as inserted in the calendar', from the verb intercalare, from inter- 'between' + calare 'proclaim solemnly'