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
a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
tending to or capable of propelling; "propellant fuel for submarines"; "the faster a jet plane goes the greater its propulsive efficiency"; "universities...the seats of propulsive thought"
a pernicious and malign influence that is hard to get rid of; "racism is a pestilence at the heart of the nation"; "according to him, I was the canker in their midst"
black clothing (worn as a sign of mourning); "the widow wore black"
(board games) the darker pieces
the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)
a person with dark skin who comes from Africa (or whose ancestors came from Africa)
popular child actress of the 1930's (born in 1928)
British chemist who identified carbon dioxide and who formulated the concepts of specific heat and latent heat (1728-1799)
marked by anger or resentment or hostility; "black looks"; "black words"
of or belonging to a racial group having dark skin especially of sub-Saharan African origin; "a great people--a black people--...injected new meaning and dignity into the veins of civilization"- Martin Luther King Jr.
extremely dark; "a black moonless night"; "through the pitch-black woods"; "it was pitch-dark in the cellar"
being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light; "black leather jackets"; "as black as coal"; "rich black soil"
(of the face) made black especially as with suffused blood; "a face black with fury"
soiled with dirt or soot; "with feet black from playing outdoors"; "his shirt was black within an hour"
dressed in black; "a black knight"; "black friars"
(of coffee) without cream or sugar
(of events) having extremely unfortunate or dire consequences; bringing ruin; "the stock market crashed on Black Friday"; "a calamitous defeat"; "the battle was a disastrous end to a disastrous campaign"; "such doctrines, if true, would be absolutely fatal to my theory"- Charles Darwin; "it is fatal to enter any war without the will to win it"- Douglas MacArthur; "a fateful error"
stemming from evil characteristics or forces; wicked or dishonorable; "black deeds"; "a black lie"; "his black heart has concocted yet another black deed"; "Darth Vader of the dark side"; "a dark purpose"; "dark undercurrents of ethnic hostility"; "the scheme of some sinister intelligence bent on punishing him"-Thomas Hardy
(used of conduct or character) deserving or bringing disgrace or shame; "Man...has written one of his blackest records as a destroyer on the oceanic islands"- Rachel Carson; "an ignominious retreat"; "inglorious defeat"; "an opprobrious monument to human greed"; "a shameful display of cowardice"
offering little or no hope; "the future looked black"; "prospects were bleak"; "Life in the Aran Islands has always been bleak and difficult"- J.M.Synge; "took a dim view of things"
a reproduction of a written record (e.g. of a legal or school record)
something that has been transcribed; a written record (usually typewritten) of dictated or recorded speech; "he read a transcript of the interrogation"; "you can obtain a transcript of this radio program by sending a self-addressed envelope to the station"