本ほん体たい論ろんほんたいろんMeanings1nounontologyobsolete termphilosophyObsolete philosophical term for ontology; modern Japanese typically uses 存在論 (そんざいろん) instead. This term may appear in older texts or historical discussions of philosophy.See also: 存在論江え戸ど時じ代だいの哲てつ学がく書しょに