intercalation

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in·ter·ca·late

 (ĭn-tûr′kə-lāt′)
tr.v. in·ter·ca·lat·ed, in·ter·ca·lat·ing, in·ter·ca·lates
1. To insert (a day or month) in a calendar.
2. To insert, interpose, or interpolate.

[Latin intercalāre, intercalāt- : inter-, inter- + calāre, to proclaim; see kelə- in Indo-European roots.]

in·ter′ca·la′tion n.
in·ter′ca·la′tive adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.intercalation - an insertion into a calendar
calendar - a system of timekeeping that defines the beginning and length and divisions of the year
interval, time interval - a definite length of time marked off by two instants
Translations

intercalation

[ɪnˌtɜːkəˈleɪʃən] Nintercalación f
References in periodicals archive ?
THE Hebrew calendar has a leap month rather than a leap day to adjust possible seasonal changes.
Complicating matters even further, every few years an extra leap month is added to the Chinese calendar.