サンチ: centimeter, especially of cannon caliber

one's house

産地: place of production / 山地: mountainous area

大二十面半十二面体: great icosihemidodecahedron

窒素: nitrogen

鎮護:

珍語: rare word, unusual word / 陳呉: / 鎮護:

後日: in the future, later, a later day, another day; after the occurrence of some event, etc

Short for ご馳走様 (go-chisō-sama).

七七日: the forty-ninth day after a person dies; the Buddhist memorial service that occurs forty-nine days after a person dies