1. semi-submersible - Noun
2. semi-submersible - Adjective
semi-submersible (not comparable)
that can be partially submerged; usually relating to offshore drilling platforms and associated vessels.
semi-submersible (plural semi-submersibles)
Alternative form of semisubmersible
About 300 semi-submersible drilling and auxiliary platforms operate at sea. Source: Internet
Designed to transport very large semi-submersible drilling rigs above the transport ship's deck, it is equipped with 38 cabins to accommodate 60 people, a workout room, sauna and swimming facilities. Source: Internet
The wells, drilled by the semi-submersible drilling rig Transocean Barents, are located approximately 500 kilometres east of St. John’s. Source: Internet
On Wednesday, Panama's National Aeronaval Service seized this homemade semi-submersible vessel in territorial waters off Bocas del Toro. Source: Internet
This file photo shows the West Aquarius semi-submersible drill rig at anchor in Bay Bulls. Source: Internet