floatage

/ˈfloʊtɪdʒ/
noun
  1. Objects or material that float on the surface of water, especially wreckage or debris.
    • After the storm, the beach was covered with floatage from the harbor.
    • Environmentalists worry about the amount of plastic floatage in the ocean.
    • The crew collected floatage from the shipwreck for salvage.
  2. The condition or ability of floating; buoyancy.
    • The boat's floatage was improved by adding air chambers.
    • The floatage of the cork made it easy to spot on the water.
    • Engineers tested the floatage of the new life raft design.