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sub·ma·rine

submarine

pronunciation:
suhb m rin [or] suhb m rin
parts of speech:
noun, adjective
features:
Word Explorer
part of speech: noun
definition 1: a seagoing vessel that can operate completely under water.
The submarine surfaced for a time, then submerged again.
 
definition 2: a submarine sandwich; sub.
 
part of speech: adjective
definition 1: under the surface of the sea; under water.
submarine temperatures
definition 2: of, pertaining to, or involving a submarine or submarines.
submarine warfare
Word Explorer
See
  military, water