Petropolis

From Brazilian Portuguese Petrópolis.

Petropolis

1. A city and municipality of Rio de Janeiro, Brazil, and historic state capital.
2. A neighbourhood of Porto Alegre, Rio Grande do Sul, Brazil.
3. Ellipsis of Treaty of Petropolis.

From petro- +‎ -polis.

Petropolis

1. Nickname for Fort McMurray: an urban service area (equivalent to a city) in northeastern Alberta, Canada; the center of the Alberta oil industry.

From Greek Πετρόπουλος (Petrópoulos).

• Petropoulis, Petropoulos, Petropolos, Petropouleas

Petropolis

1. A surname.

• Nova Petropolis

• lipotropes

Petrus +‎ -polis

Petropolis f sg (genitive Petropolis); third declension

1. (Medieval Latin, New Latin) Peterborough, England
2. (New Latin) Saint Petersburg (a federal city of Russia, known between 1914 and 1924 as Petrograd and between 1924 and 1991 as Leningrad; the former capital of Russia, from 1713–1728 and 1732–1918)
3. (New Latin) Petrovaradin, Serbia
4. (New Latin) Petrópolis, Brazil
5. (New Latin) Pierre, USA

Third-declension noun (i-stem, partially Greek-type), with locative, singular only.