微粒子 びりゅうし corpuscle #22,429 Meanings noun corpuscle; minute particle; particulate Its kanji 微 ビ · かす.か delicate, minuteness, insignificance 粒 リュウ · つぶ grains, drop, counter for tiny particles 子 シ、ス、ツ · こ、-こ、ね child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac