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Semisubmersible vs Submersible - What's the difference?

semisubmersible | submersible |

As nouns the difference between semisubmersible and submersible

is that semisubmersible is a specialised marine vessel with good stability and seakeeping characteristics, often used in offshore roles such as oil drilling while submersible is (british) a small nonmilitary, non-nuclear submarine for exploration.

As an adjective submersible is

able to be submerged.

semisubmersible

English

Noun

(en noun) (wikipedia semisubmersible)
  • A specialised marine vessel with good stability and seakeeping characteristics, often used in offshore roles such as oil drilling.

    • Synonyms

    * semisub

    submersible

    English

    Adjective

    (head)
  • Able to be submerged.

    • Noun

    (en noun)
  • (British) A small nonmilitary, non-nuclear submarine for exploration.
  • (British) A retroactive term used for non-nuclear submarines; nuclear submarines are termed "true submarines".
  • (British) A term used primarily by some navies for nuclear submarines, termed "true submersibles", because they cannot retroactively declare that their non-nuclear submarines should be called by a different name.
  • (US) A very small "baby" submarine designed for specific localized missions, usually while tethered to a submarine or ship for life support and communications. Slang synonyms: midget-submarine, anchor.