flintn. 打火石、燧石、極硬的東西學術名詞燧石:地理學、礦冶工程、金屬材料、食品科技、機械工程、礦物學夫林特:外國地名火石:金屬材料英文釋義a hard kind of stone; a form of silica more opaque than chalcedonyshowing unfeeling resistance to tender feelings