State of Japan (de facto official name of Japan, 1947 to present)

(rare) State of Japan (de facto official name of Japan, 1947 to present)

sake, Japanese rice wine

Japan Standard Time (JST)

Cervus nippon, commonly known as sika deer, spotted deer, or Japanese deer

(organic chemistry) benzyl

(organic chemistry) sulfhydryl

hentaigana for old names supported by resident registrations in Japan

Empire of Japan (official name of Japan under the Constitution of the Empire of Japan, 1890-1947)

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds