亜あ旧きゅう石せっ器き時じ代だいあきゅうせっきじだいじ字FuriganaMeanings1nounEpipaleolithic eraArchaeological term for the transitional period between the Paleolithic and Neolithic, characterized by microliths and hunter-gatherer adaptations. Rare outside academic contexts.亜あ旧きゅう石せっ器き時じ代だいは、日本にほん考こう古こ学がくではあまり一いっ般ぱん的