竜太郎: a male given name / 龍太郎: a male given name / 龍太朗: a male given name / 隆太郎: a male given name

流派: school of thought

顆粒: granule (small particle); granule (small structure in a cell)

青竜: Azure Dragon

硫安: ammonium sulphate

榴弾: a high explosive

淹留: to stay in one place for a long time

円龍: / 円隆:

A province of Japan, in the area of Okayama Prefecture and eastern Hiroshima prefecture. It was divided into Bizen, Bitchū, and Bingo Provinces in the late 7th century, and Mimasaka Province was separated from Bizen Province in the 8th century

Kyūjitai form of 装備 (“equipment”)