单词 | rim lighting |
释义 | rim lightingnoun (Originally) the placing of a light source behind the dial of an instrument in an aircraft cockpit in such a way that light emerges around the rim, thus enabling the instrument to be read at night; (later chiefly Photography and Film ) backlighting used to create the appearance of a halo of light in a similar way. Origin1930s; earliest use found in Aircraft Year Book. |
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