intercalation

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Related to Intercalary month: Embolismic month, Kipah

in·ter·ca·la·tion

(in-ter'kă-lā'shŭn),
The process of insertion between two other entities, for example, insertion of a dye or drug between stacked bases in DNA.

intercalation

the insertion of certain organic compounds such as aridines and ethidium bromide that possess a planar aromatic ring structure of appropriate size and geometry so as to insert between base pairs in double-stranded DNA.
References in periodicals archive ?
six of the seven intercalary months followed Dystros (= Addaru) while the seventh followed Gorpiaios (= Ululu).
More peripheral aspects of chronology are also addressed, such as the use of intercalary months to maintain the accuracy of the calendar of festivals and the evidence of beetles found in tombs for climate change over time.
Since there isn't a whole number of lunar cycles in a solar year, the lunar calendar gets out of step with the seasons unless extra intercalary months are periodically added.
Admittedly, the Burmese writer of the manuscripts contributed much to it by not indicating intercalary months (the second Wazo), miscalculating the moon phase (in no.