submarine

US /ˌsʌb.məˈriːn/
UK /ˌsʌb.məˈriːn/
"submarine" picture
1.

sottomarino

a warship with a streamlined hull designed to operate completely submerged in the sea for long periods, equipped with a periscope and typically armed with torpedoes or missiles.

:
The submarine surfaced after a week underwater.
Il sottomarino è emerso dopo una settimana sott'acqua.
They detected an enemy submarine near the coast.
Hanno rilevato un sottomarino nemico vicino alla costa.
1.

sottomarino

existing, occurring, or done under the surface of the sea.

:
They explored the submarine caves.
Hanno esplorato le grotte sottomarine.
The earthquake caused a massive submarine landslide.
Il terremoto ha causato una massiccia frana sottomarina.
1.

immergersi, navigare sott'acqua

to travel or operate under the surface of the sea.

:
The vessel is designed to submarine for extended missions.
La nave è progettata per immergersi per missioni prolungate.
We watched the marine life as the mini-sub began to submarine.
Abbiamo osservato la vita marina mentre il mini-sottomarino iniziava a immergersi.