Search macular rash macular rash [L, macula, spot; OFr, rasche] , a skin eruption in which the lesions are flat and less than 1 cm in diameter. Macular rash in a person with rubella (Cohen, Opal, and Powderly, 2010) Tweet Telegram VK Random Words 17-hydroxycorticosteroid farad (F) bitemporal carbonic acid (H2CO3) cineplastic amputation acesulfame-K United States Pharmacopeia (USP) lactic acid fermentation hyperkalemia