penurunan

Indonesian Wikipedia has an article on:

penurunan

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Affixed turun +‎ peng- -an, from Malay penurunan.

• IPA^(key): /pə.nu.ˈrʊn.an/
• Rhymes: -an
• Hyphenation: pê‧nu‧run‧an

pênurunan (plural penurunan-penurunan, first-person possessive penurunanku, second-person possessive penurunanmu, third-person possessive penurunannya)

1. lowering, reducing, decline, decrement, loss, decrease
2. reduction:
   1. The act, process, or result of reducing.

      Synonyms: pengurangan, reduksi

   2. The amount or rate by which something is reduced, e.g. in price.

      Synonyms: pemotongan, reduksi

3. discharging (of passenger)
4. unloading

   Synonym: pembongkaran

5. downgrading
6. subsidence
7. derivation, deriving
8. (colloquial) descent, slope

• “penurunan” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

penurunan (plural penurunan-penurunan, informal 1st possessive penurunanku, 2nd possessive penurunanmu, 3rd possessive penurunannya)

1. fall
2. reduction:
   1. (mathematics) the rewriting of an expression into a simpler form.

      Synonym: penyederhanaan (Indonesian)

   2. (chemistry) a reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.

      Synonym: reduksi (Indonesian)

3. disembarkation

• Indonesian: penurunan

• “penurunan” in Pusat Rujukan Persuratan Melayu | Malay Literary Reference Centre, Kuala Lumpur: Dewan Bahasa dan Pustaka, 2017.