submersible

submerse +‎ -ible.

submersible

1. Able to be submerged.

submersible (plural submersibles)

1. (British) A small nonmilitary, non-nuclear submarine for exploration.
2. (British) A retroactive term used for non-nuclear submarines; nuclear submarines are termed "true submarines".
3. (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.
4. (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.
5. (nautical) An underwater vehicle with limited mobility, similar to a submarine, but less mobile.

   Coordinate terms: diving sphere, diving bell, bathyscaphe, submarine

Borrowed from Latin submersus (past participle of submergo) with the suffix -ible.

• IPA^(key): /syb.mɛʁ.sibl/

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submersible (plural submersibles)

1. submersible

   Antonym: insubmersible

submersible m (plural submersibles)

1. a submersible

• submerger
• submersion

• bathysphère
• bathyscaphe
• sous-marin

• “submersible”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.