Definition

1. Noun:
   • A submarine that is propelled by nuclear power: A large, underwater naval vessel powered by a nuclear reactor, enabling it to operate submerged for extremely long periods without needing to surface for air or refueling.

Usage

• The term "nuclear submarine" is used to specify the type of propulsion system of the submarine, distinguishing it from diesel-electric submarines.
• It functions as a countable noun (e.g., , ).

Examples

• Noun:
  • The navy deployed a nuclear submarine to patrol the deep ocean.
  • Modern nuclear submarines can remain submerged for months at a time.

Advanced Usage

• "Ballistic missile nuclear submarine" (SSBN): A specific type of nuclear submarine designed to carry and launch ballistic missiles.
  • The strategic deterrent force relies on ballistic missile nuclear submarines.
• "Attack nuclear submarine" (SSN): A nuclear submarine designed primarily for hunting other submarines and surface ships.
  • The fleet of attack nuclear submarines is tasked with protecting the carrier group.

Variants and Related Words

• Nuclear-powered submarine: A formal synonym for "nuclear submarine."
• SSN: The US Navy hull classification symbol for a nuclear-powered attack submarine.
• SSBN: The US Navy hull classification symbol for a nuclear-powered ballistic missile submarine.
• Boomer (slang): Informal term for a ballistic missile nuclear submarine.

Synonyms

• Nuclear-powered submarine: The most direct synonym.
• Atom-powered submarine: A less common, dated synonym.

Related Phrases

• Nuclear propulsion: The method of propulsion used by a nuclear submarine.
  • The key advantage of a nuclear submarine is its nuclear propulsion system.
• Reactor core: The heart of the nuclear power plant inside the submarine.

Noun

1. a submarine that is propelled by nuclear power