researcher

research association; research society / group of enthusiasts (as may be found in schools, colleges, etc)

research & development; R&D

(education) research project, done by Japanese schoolchildren during summer break, to be presented upon return to school

硬口蓋音: palatal consonant

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