十八界 じゅうはちかい Also written じゅうはっかい Meanings Noun eighteen components of perception (six sense objects, six sense faculties, six sense consciousnesses) See also: 六境 (ろっきょう). See also: 六根 (ろっこん). See also: 六識 (ろくしき). Kanji 十 ten. Read as ジュウ. 八 eight. Read as ハチ. 界 realm. Read as カイ. Word lists Buddhism Jinuma: Japanese Dictionary · Word lists