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| English | Russian |
| ultra-bold | жирный (Having a font weight that corresponds to a weight class value of 800 according to the OpenType specification) |
| ultra-light | сверхсветлый (Having a font weight that corresponds to a weight class value of 200 according to the OpenType specification) |
| ultra wide-band | сверхширокополосная связь (A wireless technology similar to radar that is centered on the 200MZ to 4GHz band; UWB) |