陽電子: a positron

塩田: salt pan

Kagoshima form of いつでも (itsu de mo, “anytime”)

(informal) Short for いたずら電話 (itazura denwa, “prank call”).

train car decorated with images of fictional anime, manga, or game characters

The hiragana syllable ゆ (yu). Its equivalent in katakana is ユ (yu). It is the thirty-seventh syllable in the gojūon order; its position is や行う段 (ya-gyō u-dan, “row ya, section u”).

expresses passiveness / expresses possibility / expresses natural, spontaneous occurrence

湯屋: public bathhouse

湯屋: a surname

湯呑み, 湯飲み, 湯のみ: teacup