submarine

B1 · Intermediate Countable noun Cooking American English · Informal

n. a long bread roll filled with meat, cheese, and vegetables.

n. a large sandwich consisting of a long crusty roll split lengthwise and filled with various meats and cheeses.

“I ordered a turkey submarine with extra pickles for lunch.”

“The local deli is famous for its massive submarines, which are packed with imported Italian meats and a signature vinaigrette.”

B2 · Upper Intermediate Science

adj. happening or existing beneath the surface of the sea.

adj. existing, occurring, or used under the surface of the sea.

Español:submarino

“Scientists are studying submarine volcanoes to see how they change the ocean floor.”

“The company specialises in the maintenance of submarine cables that provide high-speed internet across the Atlantic.”

C1 · Advanced Technology Technical

v. to slide forward and under something, like a seatbelt during a car crash.

v. to slide forward underneath a restraint, such as a lap belt, during a sudden deceleration or collision.

“The crash test dummy started to submarine because the seatbelt was too loose.”

“Engineers redesigned the seat base to prevent passengers from submarining during a high-impact frontal collision.”