submersible

nouns

an apparatus intended for use under water
submersible
is a type of (narrower)
equipment designed to serve a specific function
apparatus, setup
a warship designed to operate under water
submersible, submersible warship
antonym
surface ship

adjectives

capable of being immersed in water or functioning while submerged
"a submersible pump"; "a submergible electric frying pan"
submergible, submersible
is derived from
submerge
is derived from
submerge
is derived from
submerge
antonym
nonsubmersible