球きゅう顆かきゅうかじ字FuriganaMeanings1nounspherulitemineralogy›Technical term in mineralogy for a rounded, radiating crystalline aggregate found in volcanic rocks and some artificial materials.この火か山ざん岩がんには多た数すうの球きゅう顆かが含ふくまれている。This volcanic rock contains many spherulites.
