SG Heritage Dictionary

Embolismic [Adjective] Webster's Dictionary 1828

2. Twelve lunations form a common year; and thirteen, the embolismic year.

Embolismic [Adjective] Webster's Dictionary 1913

Embolismical [Adjective] Webster's Dictionary 1913

Pertaining to embolism or intercalation; intercalated; as, an embolismic year, i. e., the year in which there is intercalation.