固こ定てい残ざん業ぎょうMeaningsNoun1. expected overtime (stipulated as a specific number of hours)Kanji used固solidify定define残left behind業businessComposed of固こ定ていfixing (in place); being fixed (in place); securing; anchoring; fastening down; fixing (e.g. salary, capital); keeping the same; fixation (histology)Noun残ざん業ぎょうovertime (work)Noun