Saltos ornamentais vs. saltos para a água vs. mergulho
In Portuguese, translating "diving" requires distinct terms depending on the specific activity and the region. While saltos ornamentais and saltos para a água refer to the acrobatic Olympic sport involving platforms and springboards, mergulho is generally reserved for underwater activities like scuba diving.
Saltos ornamentais
B2This is the specific term used in Brazilian Portuguese for the Olympic sport where athletes perform acrobatic jumps into a pool from a platform or springboard.
O atleta brasileiro ganhou ouro nos saltos ornamentais.
(The Brazilian athlete won gold in diving.)
As competições de saltos ornamentais avaliam a graça e a técnica.
(Diving competitions evaluate grace and technique.)
Ela tem medo de altura, por isso nunca praticou saltos ornamentais.
(She is afraid of heights, so she never practiced diving.)
A plataforma de dez metros é a mais difícil nos saltos ornamentais.
(The ten-meter platform is the most difficult in diving.)
Saltos para a água
B2This is the term used in European Portuguese (Portugal) for the same Olympic sport of acrobatic diving.
Portugal tem uma nova equipa de saltos para a água.
(Portugal has a new diving team.)
O treinador de saltos para a água exigiu mais disciplina.
(The diving coach demanded more discipline.)
Os saltos para a água requerem muita flexibilidade.
(Diving requires a lot of flexibility.)
Fomos ver a final de saltos para a água no complexo desportivo.
(We went to see the diving final at the sports complex.)
Mergulho
A2Used in both Brazil and Portugal, this term refers to the sport or activity of swimming underwater, such as scuba diving, free diving, or snorkeling.
Nós fizemos mergulho com tubarões nas férias.
(We went diving with sharks on vacation.)
Para praticar mergulho profundo, você precisa de um cilindro de ar.
(To practice deep diving, you need an air tank.)
O instrutor de mergulho ensinou os sinais manuais.
(The diving instructor taught the hand signals.)
O mergulho em cavernas pode ser perigoso.
(Cave diving can be dangerous.)
Summary
To summarize, use saltos ornamentais if you are in Brazil talking about acrobatic pool jumping, and saltos para a água if you are in Portugal for the same sport. Use mergulho in universal Portuguese when referring to underwater exploration like scuba diving.