diminution
C2Գոյական/US /dˌɪmənˈuːʃən/ dĭm-ən-O͞OSH-ən; UK /dˌɪmənˈuːʃən/ dĭm-ən-O͞OSH-ən/
The act of diminishing, or of making or becoming less; state of being diminished; reduction in size, quantity, or degree; -- opposed to augmentation or increase.
