微細 びさい minute #12,078 Meanings na-adjective, noun minute; fine; detailed; subtle Its kanji 微 ビ · かす.か delicate, minuteness, insignificance 細 サイ · ほそ.い、ほそ.る、こま.か、こま.かい dainty, get thin, taper, slender, narrow, detailed, precise