磨ま製せい石せっ器きませいせっきMeanings1nounground stone tool; polished stone toolArchaeological term for stone tools shaped by grinding and polishing, as opposed to chipped stone tools (打製石器).磨ま製せい石せっ器きは、縄じょう文もん時じ代だいに広ひろく使つかわれた。Ground stone tools were widely used in the Jomon period.
