- sem|i|sub|mers|i|ble
- sem|i|sub|mers|i|ble «SEHM ee suhb MUR suh buhl», adjective, noun.–adj.partly submersible; fixed so that it floats on water: »
a semisubmersible oil-drilling rig.
–n.a semisubmersible vessel, rig, or other structure.
Useful english dictionary. 2012.