Definition of "embolismic" [em•bo•lis•mic]

• Relating to embolism or intercalation. (adjective)

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• "To twelve of the 19 years 12 lunations were assigned, and to the other seven 13 lunations, the thirteenth lunation being known as the embolismic or intercalary month."
• "Hesvan (Heshwan) or subtracted from the month Kislev (Kislew), as need arose, in order to keep the months in agreement with the moon; secondly, eight years out of every nineteen were made "embolismic", i.e. an intercalary month seems to have been introduced when necessary, at this point, in order to prevent the 14th day of Nisan from arriving too early."
• "As will be shown in the following chapter, the ordinary years are of twelve months, but seven years in every nineteen are "embolismic," having an extra month."