The iceberb damaged 5 of her 16 watertight compartments.
The 46,000 ton Titanic was then the largest ship in the world. She had 16 watertight compartments. Even if two of these were damaged, she could still float.
Steamboats are often divided into watertight compartments by watertight partitions.
The iceberg damaged 5 of her 16 watertight compartments The Titanic began to sink.
The batteries are safely enclosed in a watertight compartment.
The impact buckled the Titanic's hull and sent sea water pouring into six of its supposedly watertight compartments.
The ship's hold is built in watertight compartments.
She had 16 watertight compartments.
but was regarded as unsinkable, for she had sixteen watertight compartments.
a watertight compartment, joint, seal
a watertight compartment