Affixed padam +‎ peng- -an.

• (Standard Indonesian) IPA^(key): /pəmaˈdaman/ [pə.maˈdam.an]
• Rhymes: -aman
• Syllabification: pe‧ma‧dam‧an

pemadaman (plural pemadaman-pemadaman)

1. extinction
2. suppression
3. blanking
4. (chemistry, physics) quenching: the extinction of any of several physical properties

• “pemadaman”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016
• Hadyana Pudjaatmaka; Susilowati (1987), Kamus Kimia: Biokimia [Dictionary of Chemistry: Biochemistry] (in Indonesian), Jakarta: Departemen Pendidikan dan Kebudayaan, →ISBN, page 165: “pemadaman”