The word “piscina biológica“ means biological swimming pool and was invented and introduced to Portuguese language by Claudia and Udo Schwarzer in 1995. Nowadays, Piscinas Biológicas® is a registered trademark of Bio Piscinas, Lda.

As synonyms may be considered:

• Swimming pond
• Ecological swimming pool
• Bio pool
• Bathing lake
• Natural swimming pool
• Eco pool

What is the name for Piscinas Biológicas® in other European languages? Many of these words combine “swimming” and “lake” to describe a bathing lake.

• English: Swimming pond, natural swimming pool
• French: Etang de baignade, Piscines naturelles, Piscines écologiques
• German: Schwimmteich, Badebiotop, Badeteich, Naturbad
• Austrian: Kleinbadeteich, Schwimmteich
• Dutch: Zwemvijver
• Belgium: Baignade biologique
• Spanish: Naturalized pool, natural pool, biological pool
• Italian: Piscina biologica, biopiscine
• Czech: Zahradni jezírka, Koupaci jezírka
• Dinamarquês: Swǿmmesǿen
• Suiço: Naturbadi