air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
examine and note the similarities or differences of; "John compared his haircut to his friend's"; "We compared notes after we had both seen the movie"
consider or describe as similar, equal, or analogous; "We can compare the Han dynasty to the Romans"; "You cannot equate success in financial matters with greed"
to form the comparative or superlative form on an adjective or adverb
be comparable; "This car does not compare with our line of Mercedes"
a fringe of hair that is cut short squarely across the forehead
a sudden very loud noise
the swift release of a store of affective force; "they got a great bang out of it"; "what a boot!"; "he got a quick rush from injecting heroin"; "he does it for kicks"
directly; "he ran bang into the pole"; "ran slap into her"
move noisily; "The window banged shut"; "The old man banged around the house"
to produce a sharp often metallic explosive or percussive sound; "One of them banged the sash of the window nearest my bed"