threshold, sill (bottom-most part of a doorway)

Synonym of ほととぎす (hototogisu): the lesser cuckoo, Cuculus poliocephalus

(Buddhism) fundamental doctrine that all things in this world are empty in essence, and through that existence, all phenomenon is real in form

医学: medicine, medical science, the study of medicine

下学: elementary learning / 下顎: lower jaw / 化学: chemistry / 科学: science / 家学: hereditary learning / 歌学: poetry

下顎: lower jaw / 寡額: minimum amount set for a fine / 価額: value, amount

雅楽: the ancient court ritual music of Japan, of Chinese and Korean origin

生態学: ecology / 生体学: somatology

化学変化: chemical change

化学変化: undergo a chemical change