投とう薬やく量りょうじ字FuriganaMeanings1noundosage; doseMedical term for the amount of a drug to be administered at one time or over a period.医い師しは患かん者じゃの体たい重じゅうに基もとづいて投とう薬やく量りょうを調ちょう整せいした。The doctor adjusted the dosage based on the patient's weight.この薬くすりの適てき切せつな投とう薬やく量りょうは1日にち2回かいです。The appropriate dose of this medicine is twice a day.