diminutionKK [ˏdɪməˋnuʃən] /ˌdɪməˈnuʃən/名詞1減少、降低、下降正式There has been a steady diminution in the number of applicants.申請人數持續減少。2減弱、衰退正式Age brought a gradual diminution of his physical strength.年紀漸長使他的體力逐漸衰退。3縮小、變小正式The photograph shows a marked diminution in the size of the tumor.這張照片顯示腫瘤明顯縮小。