Diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used
A digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc.
A television system that has more than the usual number of lines per frame so its pictures show more detail
Edge tool used in shaving shave with a razor
Diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used
Lighting from behind
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 (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" distributed or sold illicitly; "the black economy pays no taxes" (of intelligence operations) deliberately misleading; "black propaganda" harshly ironic or sinister; "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit" extremely dark; "a black moonless night"; "through the pitch-black woods"; "it was pitch-dark in the cellar" (of the face) made black especially as with suffused blood; "a face black with fury" (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" 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" 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 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. 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" black clothing (worn as a sign of mourning); "the widow wore black" (board games) the darker pieces 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) total absence of light; "they fumbled around in total darkness"; "in the black of night" the quality or state of the achromatic color of least lightness (bearing the least resemblance to white) make or become black; "The smoke blackened the ceiling"; "The ceiling blackened"