tachyphylaxisEnglishOxford New American Dictionarytachyphylaxis /ˌtakəfiˈlaksəs, ˌtækəfɪˈlæksəs / ▸ noun Medicine rapidly diminishing response to successive doses of a drug, rendering it less effective. The effect is common with drugs acting on the nervous system.
EnglishOxford New American Dictionary
